19023+4958 KOI 253 AC
19h 02m 17.84s +49° 57' 44.2" P.A. 172.00 sep 4.7 mag 12.30,17.80
Coord 2000 |
19023+4958 |
|
Discov num |
KOI 253 |
|
Comp |
AC |
|
Coord arcsec 2000 |
19 02 17.84 +49 57 44.2 |
|
Date first |
2014 |
|
Date last |
2014 |
|
Obs |
1 |
|
Pa first |
172 |
|
Pa last |
171.7 |
|
P.A. Now (θ) |
171.7° |
|
Sep first |
4.7 |
|
Sep last |
4.735 |
|
Sep. Now (ρ) |
4.735" |
|
Mag pri |
12.30 |
|
Mag sec |
17.80 |
|
delta mag (ΔM) |
5.5 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
|
|
Pri motion dec |
-008 |
|
Sec motion dec |
|
|
Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
19023+4958 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 02 18 +49 57 44 |
KOI 253 AB |
2015 |
3 |
163 |
4.6 |
12.30 |
13.90 |
1.60 |
|
|
Show |
|
|
19 02 18 +49 57 44 |
KOI 253 AC |
2014 |
1 |
172 |
4.7 |
12.30 |
17.80 |
5.50 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Gaia DR2 |
2132144056342471168 |
|