20257+4004 TOR 25 AB (HD 194720)
20h 25m 44.56s +40° 03' 59.0" P.A. 191.00 sep 4.7 mag 8.73,10.50 Sp A0
| Coord 2000 |
20257+4004 |
|
Discov num |
TOR 25 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 25 44.56 +40 03 59.0 |
|
| Date first |
1977 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
208 |
|
Pa last |
190.8 |
|
P.A. Now (θ) |
190.8° |
|
| Sep first |
10.6 |
|
Sep last |
4.669 |
|
Sep. Now (ρ) |
4.669" |
|
| Mag pri |
8.73 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
1.77 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-015 |
|
| Notes |
N
(See Notes) |
|
rPM=0.327
Nature of this double is uncertain.
20257+4004 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 194720 |
|
20 25 45 +40 03 59 |
TOR 25 AB |
2015 |
9 |
191 |
4.7 |
8.73 |
10.50 |
1.77 |
|
<=== |
| Show |
|
|
20 25 45 +40 03 59 |
POP 199 AC |
2015 |
8 |
245 |
59.6 |
8.73 |
11.94 |
3.21 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 194720 |
|
Constellation |
Cygnus |
|
Tycho2 |
3156-00461-1 |
|
Gaia DR2 |
2067290187612516608 |
|
| HD |
194720 |
|
