00084+2905 H 5 32 AB (Alpheratz)
00h 08m 23.17s +29° 05' 27.0" P.A. 286.00 sep 93.1 mag 2.22,11.11 Sp B8IVpMnHg dist. 29.74 pc (97.01 l.y.)
| Coord 2000 |
00084+2905 |
|
Discov num |
H 5 32 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 08 23.17 +29 05 27.0 |
|
| Date first |
1781 |
|
Date last |
2020 |
|
Obs |
49 |
|
| Pa first |
259 |
|
Pa last |
286 |
|
P.A. Now (θ) |
286° |
|
| Sep first |
55.5 |
|
Sep last |
93.05 |
|
Sep. Now (ρ) |
93.05" |
|
| Mag pri |
2.22 |
|
Mag sec |
11.11 |
|
delta mag (ΔM) |
8.89 |
|
Spectral class |
B8IVpMnHg (blue-white) |
|
| Pri motion ra |
+138 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-163 |
|
Sec motion dec |
-015 |
|
| Notes |
N
L
U
(See Notes, Linear solution, Proper motion indicates non-physical) |
|
rPM=0.938
This double is not physical.
00084+2905 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
73765 |
00 08 23 +29 05 27 |
MKT 11 Aa,Ab |
1989 |
42 |
241 |
0.0 |
2.22 |
4.21 |
1.99 |
Y |
|
| Show |
Alpheratz |
73765 |
00 08 23 +29 05 27 |
H 5 32 AB |
2020 |
49 |
286 |
93.1 |
2.22 |
11.11 |
8.89 |
|
<=== |
| Show |
|
73765 |
00 08 23 +29 05 27 |
JNN 1 AC |
2009 |
2 |
5 |
6.7 |
2.29 |
19.60 |
17.31 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Alpheratz |
|
Constellation |
Andromeda |
|
SAO |
73765 |
|
HIP |
677 |
|
| Tycho2 |
1735-03180-1 |
|
HD |
358 |
|
HR |
15 |
|
GC |
127 |
|
| ADS |
94 |
|
BD |
BD+28 4 |
|
Bayer |
Alpha Andromedae |
|
Bayer name |
Alp And |
|
| Flamsteed |
21 Andromedae |
|
Flamsteed name |
21 And |
|
FK5 |
1 |
|
Distance |
29.74 |
|
| Distance ly |
97.01 |
|
Bayer greek |
α And |
|
| Other names |
Sirrah, Sirah, Del Peg, Delta Pegasi |
|
