22171+5521 SMH 9 BD
22h 17m 09.61s +55° 20' 57.5" P.A. 181.00 sep 2.1 mag 14.20,14.50
| Coord 2000 |
22171+5521 |
|
Discov num |
SMH 9 |
|
Comp |
BD |
|
Coord arcsec 2000 |
22 17 09.61 +55 20 57.5 |
|
| Date first |
2009 |
|
Date last |
2009 |
|
Obs |
1 |
|
| Pa first |
181 |
|
Pa last |
180.9 |
|
P.A. Now (θ) |
180.9° |
|
| Sep first |
2.1 |
|
Sep last |
2.05 |
|
Sep. Now (ρ) |
2.05" |
|
| Mag pri |
14.20 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
22171+5521 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
22 17 11 +55 20 50 |
STI 2679 AC,BD |
2009 |
6 |
307 |
13.9 |
12.10 |
12.90 |
0.80 |
|
|
| Show |
|
|
22 17 11 +55 20 50 |
SMH 9 AC |
2009 |
2 |
20 |
2.2 |
12.50 |
15.10 |
2.60 |
|
|
| Show |
|
|
22 17 10 +55 20 58 |
SMH 9 BD |
2009 |
1 |
181 |
2.1 |
14.20 |
14.50 |
0.30 |
|
<=== |
Quadruple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lacerta |
|
Gaia DR2 |
2005903044695523712 |
|
