17174+4221 SKF 2735 AC
17h 17m 26.46s +42° 20' 54.7" P.A. 134.00 sep 2.4 mag 15.20,19.50 Sp K:+DB
Coord 2000 |
17174+4221 |
|
Discov num |
SKF2735 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 17 26.46 +42 20 54.7 |
|
Date first |
2005 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
139 |
|
Pa last |
133.8 |
|
P.A. Now (θ) |
133.8° |
|
Sep first |
2.7 |
|
Sep last |
2.421 |
|
Sep. Now (ρ) |
2.421" |
|
Mag pri |
15.20 |
|
Mag sec |
19.50 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
K:+DB (yellow-orange/white dwarf) |
|
Pri motion ra |
+015 |
|
Sec motion ra |
|
|
Pri motion dec |
-013 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
17174+4221 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 17 26 +42 20 55 |
SKF 2735 AB |
2015 |
8 |
299 |
14.2 |
15.20 |
16.30 |
1.10 |
|
|
Show |
|
|
17 17 26 +42 20 55 |
SKF 2735 AC |
2015 |
3 |
134 |
2.4 |
15.20 |
19.50 |
4.30 |
|
<=== |
Show |
|
|
17 17 25 +42 21 02 |
SKF 2735 BC |
2016 |
1 |
121 |
16.5 |
15.58 |
19.51 |
3.93 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
1360126949059403136 |
|