21001+4841 STT 425 CD
21h 00m 07.41s +48° 41' 01.7" P.A. 132.00 sep 4.3 mag 10.80,12.30
| Coord 2000 |
21001+4841 |
|
Discov num |
STT 425 |
|
Comp |
CD |
|
Coord arcsec 2000 |
21 00 07.41 +48 41 01.7 |
|
| Date first |
1890 |
|
Date last |
2016 |
|
Obs |
16 |
|
| Pa first |
134 |
|
Pa last |
131.5 |
|
P.A. Now (θ) |
131.5° |
|
| Sep first |
4.3 |
|
Sep last |
4.33 |
|
Sep. Now (ρ) |
4.33" |
|
| Mag pri |
10.80 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
| Pri motion ra |
+020 |
|
Sec motion ra |
+033 |
|
| Pri motion dec |
+056 |
|
Sec motion dec |
+032 |
|
| Notes |
W
|
|
rPM=0.459
Nature of this double is uncertain.
21001+4841 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 200177 |
50340 |
21 00 07 +48 40 46 |
BU 1210 AB |
2003 |
8 |
118 |
2.4 |
7.34 |
12.20 |
4.86 |
|
|
| Show |
|
50340 |
21 00 07 +48 40 46 |
STT 425 AC |
2016 |
20 |
27 |
18.2 |
7.34 |
10.80 |
3.46 |
|
|
| Show |
|
50340 |
21 00 07 +48 40 46 |
STT 425 AE |
2016 |
12 |
15 |
45.4 |
7.34 |
10.61 |
3.27 |
|
|
| Show |
|
|
21 00 07 +48 41 02 |
STT 425 CD |
2016 |
16 |
132 |
4.3 |
10.80 |
12.30 |
1.50 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2168511434228621952 |
|
