WDS 20403-4956 KRW 2 : NOTES
| discov_num |
notes |
refcode |
| KRW 2 |
Based on a comparison of images spanning 23 years, Krawczenko (2014) |
|
|
determined that this pair shares common proper motion. From colors, |
|
|
spectral types for the primary and secondary appear to be about K0 and |
|
|
G8V, repectively; distances are 640 and 870 pc, masses about 0.79 and |
|
|
0.81 Msun. |
Krw2014a |
REFERENCES
| refcode |
metd |
author |
reference |
| Krw2014a |
E2 w |
Krawczenko, Carlos A. |
2014OED....12...43K |
| Krw2014a |
+P+ |
El Observador de Estrellas Dobles, Issue #12, 43, 2014 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20403-4956 |
KRW 2 |
|
1999 |
4 |
62 |
20.4 |
14.96 |
15.54 |
K0V G8V |
NV |
204017.69-495626.7 |
| 20403-4956 |
KRW 2 |
|
2000 |
6 |
62 |
20.4 |
14.96 |
15.54 |
K0V+G8V |
NV |
204017.69-495626.7 |
| 20403-4956 |
KRW 2 |
|
2010 |
8 |
62 |
20.4 |
14.96 |
15.54 |
K0V+G8V |
NV |
204017.69-495626.7 |
| 20403-4956 |
KRW 2 |
|
2015 |
9 |
62 |
20.5 |
14.96 |
15.54 |
K0V+G8V |
NU |
204017.69-495626.7 |
If you need more information about this double, apply for a
data request form to the WDS.
