PSR B1257+12 Overview

PSR B1257+12
PSR B1257+12 b
PSR B1257+12 c
PSR B1257+12 d
Discovery Data
Host Planet Method Year Reference Disposition
PSR B1257+12 PSR B1257+12 b Pulsar Timing 1994 Wolszczan 1994 Confirmed Planet
PSR B1257+12 PSR B1257+12 c Pulsar Timing 1992 Wolszczan et al. 1992 Confirmed Planet
PSR B1257+12 PSR B1257+12 d Pulsar Timing 1992 Wolszczan et al. 1992 Confirmed Planet
PSR B1257+12 b PSR B1257+12 c PSR B1257+12 d
RA
13h00m03.58s
Dec
+12d40m56.5s
Distance
600±100 pc
Parallax
---
Ecliptic Latitude
17.5758 deg
Ecliptic Longitude
188.72209 deg
Galactic Latitude
75.41367 deg
Galactic Longitude
311.30973 deg
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
Source Konacki and Wolszczan 2003 Wolszczan et al. 1992
Age
(Gyr)
3±3 0.8
M
(M⦿)
1.4 ---
Status
Confirmed Planet
Detected By
Pulsar Timing
Tools
Source Konacki and Wolszczan 2003 Wolszczan 1994
Tp
(days)
2449765.6±0.2 2448754.3±0.7
ω
(deg)
0 0
Mp
(M)
0.020±0.002 ---
Mp
(MJup)
6.3e-05±6.3e-06 ---
e
0 0
i
(deg)
50 ---
P
(days)
25.262±0.003 25.34±0.05
a
(au)
0.19 0.19
Mp sin i
(M)
--- 0.015
Mp sin i
(MJup)
--- 4.7e-05
Status
Confirmed Planet
Detected By
Pulsar Timing
Tools
Source Konacki and Wolszczan 2003 Wolszczan 1994 Wolszczan et al. 1992
Tp
(days)
2449768.6±0.1 2448770.3±0.6 2448105.3±1.0
ω
(deg)
250.4±0.6 249±3 252±20
Mp sin i
(M)
--- 3.4 3.4
Mp sin i
(MJup)
--- 0.011 0.011
e
0.0186±0.0002 0.0182±0.0009 0.022±0.007
P
(days)
66.5419±0.0001 66.536±0.001 66.563±0.009
a
(au)
0.36 0.36 0.36
Mp
(M)
4.3±0.2 --- ---
Mp
(MJup)
0.014±0.001 --- ---
i
(deg)
53±4 --- ---
Status
Confirmed Planet
Detected By
Pulsar Timing
Tools
Source Konacki and Wolszczan 2003 Wolszczan 1994 Wolszczan et al. 1992
Tp
(days)
2449767.0±0.1 2448784.4±0.6 2447998.6±1.0
ω
(deg)
108.3±0.5 106±2 107±20
Mp sin i
(M)
--- 2.8 2.8
Mp sin i
(MJup)
--- 0.0088 0.0088
e
--- 0.0264±0.0009 0.020±0.006
P
(days)
98.2114±0.0002 98.223±0.002 98.234±0.021
a
(au)
0.46 0.47 0.47
Mp
(M)
3.9±0.2 --- ---
Mp
(MJup)
0.012±0.001 --- ---
i
(deg)
47±3 --- ---
Known Objects
3 Confirmed Planets
Data Files
3 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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