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Explore the Archive User Guide

Accepted Identifiers and Catalogs

The NASA Exoplanet Archive maintains its own list of cross-identifications for every object in its database.

The Explore the Archive search on the home page and on this page accept queries for single objects by name or coordinates, as well as a radius search. The search function at the top of this page also accepts a list of coordinates and objects.

If your query returns an error, check the table on this page to make sure you entered the correct name.

For more information on using the Explore the Archive search, see the Inventory Service User Guide.

Use the Correct Format In Queries

If you enter the name of a star of a multiple system, the component letters are case-sensitive. For example, the system 30 Ari B is not treated the same as 30 Ari b.

When entering a planet name, you must include a space between the star name and the planet letter. Planet letters are also case-sensitive.

For the prefixes mu/MU and nu/NU, the case does matter:

  • mu/nu = Greek letter-named star in constellation
  • MU/NU = variable star

Note: nu2 Lupi and nu 2 Lupi are both accepted.

The following table lists the recommended identifiers to use when looking up information on a single object in the Exoplanet Archive. See the additional notes on this page for further instructions.

Catalog How to pose your query to the Exoplanet Archive Examples
2MASS Catalog 2MASS JHHMMSSSSsDDMMSSS [A], or
2MNNNN
2MASS J23072869+2108033
2M4037
2M4037 b
Binaries Escorted By Orbiting Planets (BEBOP) BEBOP-NNN BEBOP-1
BEBEOP-1 c
BEBOP-987
β Pictoris b Ring Project (bRing) bRing-NNNN bRing-1
bRing-1234 b
Aitken Double Star Catalog (ADS) ADS NNNNN ADS 16402
Bayer-Flamsteed ggg CON [A] tau Boo
mu 2 Sco
mu2 Sco
Bright Star Catalog HR NNNN [A] HR 8799
CFHT WIRCam, rho Oph Cloud Survey CFHTWIR-Oph NNNNN CFHTWIR-Oph 98
CFHTWIR-Oph 98 b
Common Name Use the name itself Fomalhaut
51 Peg
Convection, Rotation, and Planetary Transits (CoRoT)- Exoplanet COROT-EXO-NN COROT-EXO-01
COol Companions ON Ultrawide orbitTS (COCONUTS) COCONUTS-NNN COCONUTS-2A b
Dispersed Matter Planet Project (DMPP) DMPP-NNN DMPP-2
Durchmusterung Catalogs (BD, CD, CPD, SD).
Please see Notes below.
BDsNN NNNN [A], or
BDsNNNNNN [A], or
CD-NN NNNNN [A], or
CPD-NN NNNNN [A], or
SD-NN NNNNN [A]

BD+20 5278
BD-210397
CD-51 641
CPD-51 330

Eclipsing Binaries with Low Mass Catalog (EBLM) EBLM JHHMM+DD EBLM J0608-59
Gaia Gaia NNNNNN Gaia 1
Gaia 1 b
Gaia 123456 b
Gaia Data Release 2 Gaia DR2 NNNNNNNNNNNNNNNNNNN Gaia DR2 5284517766615492736
Gaia DR2 5284517766615492736 b
Gaia Data Release 3 Gaia DR3 NNNNNNNNNNNNNNNNNNN or
Gaia eDR3 NNNNNNNNNNNNNNNNNNN
Gaia DR3 4048655804979383680
Gaia eDR3 4048655804979383680 b
Galactic Plane eXoplanet Survey GPX NNN GPX 1
GPX 1 b
Giclas Catalog (G): Lowell proper motion survey Northern Hemisphere—The G numbered stars G NNN-NNN G 9-40
Gliese-Jahreiss Compilation GJ NNN [A], or
GJ NNN.N [A], or
GL NNN [A], or
GL NNN.N [A]
GL 667C
GJ 3634
Henry Draper Catalog HD NNNNNN [A] HD 142
hD 178911B
Hipparcos Catalog HIP NNNNNN [A], or
HIC NNNNNN [A]
HIP 5158
hic 79431
Hungarian Automated Telescope–Planet HAT-P-NN HAT-P-3
Index Catalogue IC NNNN NNNNNN IC 1 123456
IC 1234 987654
IC 4651 9122

Note: maximum value for first integer block is 5386
IRAS IRAS HHMMmsDDMM [A] IRAS 08358+6430
K2 K2-N, or
K2-YYYY-BLG-NNNNL
K2-1
K2-2016-BLG-0005L

Note: Entering K2 with no number resolves to KOI-2.

Kepler Input Catalog (KIC) KIC NNNNNNN KIC 6922244
Kepler Object of Interest (KOI) KOI NNNNN.NN KOI 100.01
Korea Microlensing Telescope Network (KMTNet) KMT-YYYY-BLG-NNNNL KMT-2016-BLG-2142L
Kourovka Planet Search KPS-NNNN KPS-1
Lépine and Shara Proper Motion (LSPM) Catalog LSPM JHHMM+DDMM LSPM J2116+0234
Luyten Catalog (L) L NNNN-NN L 98-59
L 1373-7
Luyten Half-Second (LHS) Catalog † LHS NNNN[a] LHS 2201
Luyten Palomar (LP) Catalog LP NNN[N]-NNN[N], or
LP NNN[N]-NNN[N]A
LP 358-499
Luyten Two-Tenths Catalogue (LTT) LTT NNNNN LTT 1445 A
Microlensing Observations in Astrophysics (MOA) MOA-YYYY-BLG-NNNL MOA-2003-BLG-053L
MIT X-Ray Burst Source Catalog MXB HHMM+DD, or
MXB HHMM+DDd
MXB 1658-298
Mount Wilson Catalog (MWC) MWC NNNN MWC 758 c
Multi-object APO Radial Velocity Exoplanets Large-area Survey Catalog (MARVELS) MARVELS-NN MARVELS-7 c
Multi-site All-Sky CAmeRA (MASCARA) MASCARA-NNN MASCARA-1
New General Catalogue (NGC) 2682 NGC 2682 AAA[A] NNNN NGC 2682 YBP 401

New Luyten Two Tenths Catalog (NLTT)

NLTT NNNNN NLT 37349
Next-Generation Transit Survey (NGTS) NGTS-NNNN NGTS-1
Northern Sky Variability Survey (NSVS) NSVS NNNNNNNN NSVS 14256825
Optical Gravitational Lensing Experiment (OGLE; microlensing) OGLE-YYYY-BLG-[N]NNNL OGLE-2005-BLG-071L
OGLE-2016-BLG-1190L
Optical Gravitational Lensing Experiment (OGLE; transit) OGLE-TR-NNN OGLE-TR-111
Pico dos Dias Survey (PDS) PDS NNN, or
PDS NNNa, or
PDS NNNb
PDS 70
PDS 17a
Pulsar PSR BHHMMsDD, or
PSR JHHMMsDDMM
PSR B1620-26
PSR J1719-1438 b
Ross et al. 1939, New Proper Motion Stars Ross NNNN Ross 458
Sagittarius Window Eclipsing Extrasolar Planet Search SWEEPS-NN SWEEPS-11
Search for Planets EClipsing ULtra-cOOl Stars (SPECULOOS) SPECULOOS-NN SPECULOOS-2
Smithsonian Astrophysical Observatory Catalog SAO NNNNNN [A] SAO 91022
Spectroscopically Identified White Dwarf Catalog (WD) WD HHMM+DDd WD 0806-661
SuperWASP 1SWASP JHHMMSS.SSsDDMMSS.S 1SWASP J002040.07+315923.7
Taurus Auriga Perseus (TAP) Catalog TAP NN TAP 26
TESS Input Catalog (TIC) TIC NNNNNNNNNN, or
TIC NNNNNNNNNN.NN
TIC 1
TIC 12345
TIC 377780790
TIC 181804752.01
TESS Object of Interest (TOI) TOI NNNNN.NN, or
TOI NNNNN
TOI 123.01
TOI 98.02
TOI 3711
Trans-Atlantic Exoplanet Survey TrES-NN TrES-03
Transient Object Confirmation Page (TCP) TCP JHHMMSSss+DDMMSSs TCP J09495016+1241356
Tycho Catalog TYC NNNN-NNNNN-N [A] TYC 1718-02350-1
United Kingdom Infrared Telescope (UKIRT) Microlensing Survey UKIRT-YYYY-BLG-NNNL UKIRT-2017-BLG-001L
Upper Scorpius Association USco[ ]NNNN [A] USco1621 A
USco1556
van Biesbroeck Catalog (vB) vB NN vB 10
VISTA Hemisphere Survey (VHS) VHS JHHMMSS.ss+DDMMSS.s, or
VHS JHHMM+DDMM
VHS J125601.92-125723.9 b
VHS J1256-1257AB
Washington Double Star Catalog WDS HHMMmsDDMM [A] WDS J02370+2439B
Wendelstein Wide Field Imager Survey Wendelstein-NNN Wendelstein-1
Wide Angle Search for Planets (WASP) WASP-NN WASP-2
WISE Final Release Catalog WISE JHHMMSS.ss+DDMMSS.s [A] WISE J185154.96+404703.8
XO Survey XO-NN XO-01
Young Suns Exoplanet Survey (YSES) YSES NNN YSES 2 b
YSES 198 c

† In the LHS Catalog, some stellar entries are designated by a lower-case letter (e.g., LHS 5358b, which represents a star, not a planet). To query for a planet in such a system, use LHS NNNNa b.

Table Legend

In the instructions above:

  • N = an integer digit (0-9)
  • HH = an integer number of hours (00-23)
  • MM = an integer number of minutes (00-59)
  • m = fraction of a minute (0-9); e.g., MMm = 217 corresponds to 21.7 minutes
  • SSSS or SSS = seconds plus fraction of second (0000-5999 or 000-599); e.g., SSSS = 2248 corresponds to 22.48 seconds
  • DD = integer number of degrees (00-89)
  • YYYY = integer number of years (2000-2099)
  • A = a letter of the (English) alphabet (A-Z or a-z)
  • ggg = The full Greek letter (e.g., alpha, beta) or the 3 English letter abbreviation of Greek letters (e.g., alf, bet). For the Greek letters mu (μ) and nu (ν), please repeat the last character (muu, nuu) to enforce a three-character abbreviation.
  • s = "+" or "-" sign
  • CON = Three-letter abbreviation of constellation name (e.g., TAU, AND). See our complete list of constellation abbreviations here.

All other letters are entered as is. Also, note that:

  • Italicized = an instruction
  • Anything written in [square brackets] may or may not be part of a query.
  • Leading zeros (0s) may be omitted
  • The Exoplanet Archive is case-sensitive only on the component and planet letters

Notes

Regarding Durchmusterung catalogs: The Exoplanet Archive uses the same designations as published in the original Durchmusterung catalogs. That is, the identifiers BD, CD, CPD, SD are not interchangeable. In the same spirit, the NASA Exoplanet Archive also does not recognize the generic Durchmusterung (DM) identifier.

Regarding SIMBAD: This search function uses SIMBAD to find coordinates for object names that are not currently in the NASA Exoplanet Archive.