PSR B1257+12 Overview
PSR B1257+12
PSR B1257+12 b
PSR B1257+12 c
PSR B1257+12 d
PSR B1257+12 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| PSR B1257+12 | ||||||
| PSR B1257+12 b | 25.26 d | 0.02 M⨁ | Pulsar Timing | 1994 | Wolszczan 1994 | Confirmed Planet |
| PSR B1257+12 c | 66.54 d | 4.3 M⨁ | Pulsar Timing | 1992 | Wolszczan et al. 1992 | Confirmed Planet |
| PSR B1257+12 d | 98.21 d | 3.9 M⨁ | Pulsar Timing | 1992 | Wolszczan et al. 1992 | Confirmed Planet |
PSR B1257+12 b
- Planet inclination chosen from solution 1 in Table 2. (Konacki and Wolszczan 2003)
- Planet inclination chosen from solution 1 in Table 2. (Konacki and Wolszczan 2003)
- Planet inclination chosen from solution 1 in Table 2. (Konacki and Wolszczan 2003)
- RA
- 13h00m03.58s
- Dec
- +12d40m56.5s
- Distance
- 600±100 pc
- Parallax
- ---
- Ecliptic Latitude
- 17.5758 deg
- Ecliptic Longitude
- 188.71822 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
- Planetary Systems
| Source | Konacki and Wolszczan 2003 | Wolszczan 1994 |
|---|---|---|
|
Tp
(days)
|
2449765.6±0.2
(JD)
|
2448754.3±0.7
(JD)
|
|
ω
(deg)
|
0 | 0 |
|
Mp sin i
(M⨁)
|
--- | 0.015 |
|
Mp sin i
(MJup)
|
--- | 4.7e-05 |
|
e
|
0 | 0 |
|
P
(days)
|
25.262±0.003 | 25.34±0.05 |
|
a
(au)
|
0.19 | 0.19 |
|
Mp
(M⨁)
|
0.020±0.002 | --- |
|
Mp
(MJup)
|
6.3e-05±6.3e-06 | --- |
|
i
(deg)
|
50 | --- |
- Status
- Confirmed Planet
- Detected By
- Pulsar Timing
- Tools
- Planetary Systems
| Source | Konacki and Wolszczan 2003 | Wolszczan 1994 | Wolszczan et al. 1992 |
|---|---|---|---|
|
Tp
(days)
|
2449768.6±0.1
(JD)
|
2448770.3±0.6
(JD)
|
2448105.3±1.0
(JD)
|
|
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
- Planetary Systems
| Source | Konacki and Wolszczan 2003 | Wolszczan 1994 | Wolszczan et al. 1992 |
|---|---|---|---|
|
Tp
(days)
|
2449767.0±0.1
(JD)
|
2448784.4±0.6
(JD)
|
2447998.6±1.0
(JD)
|
|
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 | --- | --- |
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 3 Confirmed Planets
- Data Files
- 3 Associated Literature Data
-
Masses and Orbital Inclinations of Planets in the PSR B1257+12System
Konacki and Wolszczan 2003 Reference Overview -
Confirmation of Earth-Mass Planets Orbiting the Millisecond Pulsar PSR B1257+12
Wolszczan 1994 Reference Overview -
A planetary system around the millisecond pulsar PSR1257 + 12
Wolszczan et al. 1992 Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
PSR B1257+12
Catalog Parameters
Set Parameters
