20047+6353 STF 2640 AC
20h 04m 44.51s +63° 53' 24.4" P.A. 81.00 sep 153.0 mag 6.29,11.42 Sp A2II-III dist. 79.18 pc (258.29 l.y.)
| Coord 2000 |
20047+6353 |
|
Discov num |
STF2640 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 04 44.51 +63 53 24.4 |
|
| Date first |
1880 |
|
Date last |
2003 |
|
Obs |
9 |
|
| Pa first |
81 |
|
Pa last |
80.8 |
|
P.A. Now (θ) |
80.8° |
|
| Sep first |
153.4 |
|
Sep last |
153.025 |
|
Sep. Now (ρ) |
153.025" |
|
| Mag pri |
6.29 |
|
Mag sec |
11.42 |
|
delta mag (ΔM) |
5.13 |
|
Spectral class |
A2II-III (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+038 |
|
Sec motion dec |
+015 |
|
| Notes |
|
|
rPM=0.608
Nature of this double is uncertain.
20047+6353 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 191174 |
18692 |
20 04 45 +63 53 24 |
STF 2640 AB |
2019 |
78 |
14 |
5.7 |
6.29 |
9.54 |
3.25 |
|
|
| Show |
|
18692 |
20 04 45 +63 53 24 |
STF 2640 AC |
2003 |
9 |
81 |
153.0 |
6.29 |
11.42 |
5.13 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
18692 |
|
HIP |
98872 |
|
Tycho2 |
4240-01067-1 |
|
| Gaia DR2 |
2244320802453812992 |
|
HD |
191174 |
|
HR |
7695 |
|
ADS |
13371 |
|
| BD |
BD+63 1593 |
|
Distance |
79.18 |
|
Distance ly |
258.29 |
|
