21099+3100 GRV 431 AC
21h 09m 51.04s +31° 00' 56.9" P.A. 16.00 sep 22.5 mag 10.60,12.10
| Coord 2000 |
21099+3100 |
|
Discov num |
GRV 431 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 09 51.04 +31 00 56.9 |
|
| Date first |
1900 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
16 |
|
Pa last |
15.6 |
|
P.A. Now (θ) |
15.6° |
|
| Sep first |
22.9 |
|
Sep last |
22.5 |
|
Sep. Now (ρ) |
22.5" |
|
| Mag pri |
10.60 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-012 |
|
| Pri motion dec |
-028 |
|
Sec motion dec |
-028 |
|
| Notes |
|
|
rPM=0.033 (< 0.3, Physical double)
This double is physical.
21099+3100 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 09 51 +31 00 57 |
HJ 1616 AB |
2015 |
12 |
315 |
10.3 |
10.60 |
11.30 |
0.70 |
|
|
| Show |
|
|
21 09 51 +31 00 57 |
GRV 431 AC |
2015 |
13 |
16 |
22.5 |
10.60 |
12.10 |
1.50 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2702-01954-1 |
|
Gaia DR2 |
1852773716689000448 |
|
