20570+2340 A 175 AC
20h 57m 00.99s +23° 40' 27.4" P.A. 209.00 sep 16.6 mag 8.17,12.90 Sp K2
| Coord 2000 |
20570+2340 |
|
Discov num |
A 175 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 57 00.99 +23 40 27.4 |
|
| Date first |
1891 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
209 |
|
Pa last |
208.5 |
|
P.A. Now (θ) |
208.5° |
|
| Sep first |
17.0 |
|
Sep last |
16.627 |
|
Sep. Now (ρ) |
16.627" |
|
| Mag pri |
8.17 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
4.73 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
| Notes |
N
(See Notes) |
|
rPM=0.102 (< 0.3, Physical double)
This double is physical.
20570+2340 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
89310 |
20 57 01 +23 40 27 |
A 175 AB |
2015 |
11 |
293 |
2.0 |
8.20 |
13.70 |
5.50 |
|
|
| Show |
|
89310 |
20 57 01 +23 40 27 |
A 175 AC |
2015 |
13 |
209 |
16.6 |
8.17 |
12.90 |
4.73 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
SAO |
89310 |
|
Tycho2 |
2172-00665-1 |
|
Gaia DR2 |
1839565386579690112 |
|
| HD |
199516 |
|
DM |
BD+23 4190 |
|
