20120+2100 HJ 907 AC
20h 12m 02.35s +20° 59' 06.1" P.A. 229.00 sep 20.1 mag 9.77,14.30 Sp K2
| Coord 2000 |
20120+2100 |
|
Discov num |
HJ 907 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 12 02.35 +20 59 06.1 |
|
| Date first |
1903 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
245 |
|
Pa last |
229.2 |
|
P.A. Now (θ) |
229.2° |
|
| Sep first |
8.8 |
|
Sep last |
20.111 |
|
Sep. Now (ρ) |
20.111" |
|
| Mag pri |
9.77 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
4.53 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+066 |
|
Sec motion ra |
|
|
| Pri motion dec |
+072 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20120+2100 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 351541 |
|
20 12 02 +20 59 06 |
HJ 907 AB |
2015 |
18 |
137 |
5.7 |
9.77 |
10.33 |
0.56 |
|
|
| Show |
|
|
20 12 02 +20 59 06 |
HJ 907 AC |
2015 |
9 |
229 |
20.1 |
9.77 |
14.30 |
4.53 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Tycho2 |
1630-00880-1 |
|
Gaia DR2 |
1828856383861873920 |
|
HD |
351541 |
|
