20135+3828 TDT 2103 AB (HD 228409)
20h 13m 32.32s +38° 28' 23.4" P.A. 181.00 sep 1.1 mag 11.40,11.62 Sp A2
| Coord 2000 |
20135+3828 |
|
Discov num |
TDT2103 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 13 32.32 +38 28 23.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
181 |
|
Pa last |
180.9 |
|
P.A. Now (θ) |
180.9° |
|
| Sep first |
1.1 |
|
Sep last |
1.05 |
|
Sep. Now (ρ) |
1.05" |
|
| Mag pri |
11.40 |
|
Mag sec |
11.62 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=0.572
Nature of this double is uncertain.
20135+3828 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 228409 |
|
20 13 32 +38 28 23 |
TDT 2103 AB |
1991 |
1 |
181 |
1.1 |
11.40 |
11.62 |
0.22 |
|
<=== |
| Show |
|
|
20 13 32 +38 28 23 |
ES 2121 AC |
2016 |
5 |
233 |
3.5 |
11.40 |
12.80 |
1.40 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228409 |
|
Constellation |
Cygnus |
|
Tycho2 |
3151-02624-1 |
|
Gaia DR2 |
2061700785915482112 |
|
| HD |
228409 |
|
ADS |
13549 |
|
