22171+5521 SMH 9 AC
22h 17m 10.91s +55° 20' 49.8" P.A. 20.00 sep 2.2 mag 12.50,15.10
| Coord 2000 |
22171+5521 |
|
Discov num |
SMH 9 |
|
Comp |
AC |
|
Coord arcsec 2000 |
22 17 10.91 +55 20 49.8 |
|
| Date first |
1999 |
|
Date last |
2009 |
|
Obs |
2 |
|
| Pa first |
18 |
|
Pa last |
20.3 |
|
P.A. Now (θ) |
20.3° |
|
| Sep first |
2.2 |
|
Sep last |
2.24 |
|
Sep. Now (ρ) |
2.24" |
|
| Mag pri |
12.50 |
|
Mag sec |
15.10 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
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 |
|
Tycho2 |
3986-01355-1 |
|
Gaia DR2 |
2005903040388855680 |
|
