20122+2231 DAM 202 AB
20h 12m 09.85s +22° 30' 47.4" P.A. 34.00 sep 10.3 mag 10.90,12.60 Sp A2
| Coord 2000 |
20122+2231 |
|
Discov num |
DAM 202 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 12 09.85 +22 30 47.4 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
37 |
|
Pa last |
34.3 |
|
P.A. Now (θ) |
34.3° |
|
| Sep first |
10.8 |
|
Sep last |
10.291 |
|
Sep. Now (ρ) |
10.291" |
|
| Mag pri |
10.90 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=0.5
Nature of this double is uncertain.
20122+2231 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 12 10 +22 30 47 |
DAM 202 AB |
2015 |
9 |
34 |
10.3 |
10.90 |
12.60 |
1.70 |
|
<=== |
| Show |
|
|
20 12 10 +22 30 47 |
DAM 202 AC |
2015 |
7 |
344 |
10.0 |
10.90 |
14.30 |
3.40 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2154-00643-1 |
|
Gaia DR2 |
1829865151425052032 |
|
HD |
346021 |
|
