Star • GDR1 458390177193748480

Cluster
h and chi Per
Proposed Clusters
h Per
Alternate Names
2MASS J02232072+5656291
PSO J022320.724+565629.253
[Cloutier2014] 7295
[CHI2010] S 2811
GDR2 458390181497243776
mayne2007_persei 645
IPHAS J022320.72+565629.3
[KGM2001] 7888
[CHI2010] h Per M 7447
WISEA J022320.71+565628.9
[CHI2010] h Per M7447
GDR1 458390177193748480
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name h and chi Per [char] cloutier2014
ra 02 23 20.7297 h m s gaiacollaboration2016
dec +56 56 29.165 d m s gaiacollaboration2016
ra_deg 35.83637387 deg gaiacollaboration2016
dec_deg 56.94143472 deg gaiacollaboration2016
pm_ra 2.211 0.167 mas/yr gaiacollaboration2018
pm_dec -1.606 0.189 mas/yr gaiacollaboration2018
plx 0.6691 0.081 mas gaiacollaboration2018
st_dist 1494.5449 180.9268 pc gaiacollaboration2018
spt G7.3 [char] currie2010
spt_num 47.3 2.4 [decimal allowed] currie2010
spt_lit G7.3 [char] currie2010
Agaia 0.7085 0.39225 mag gaiacollaboration2018
U 20.029 0.032 mag bell2013
V 17.395 0.002 mag currie2010
Ic 16.038 0.002 mag currie2010
g_sloan 17.881 0.002 mag flewelling2016
r_sloan 17.001 0.002 mag flewelling2016
i_sloan 16.586 0.003 mag flewelling2016
z_sloan 16.369 0.007 mag flewelling2016
y_opt 16.205 0.007 mag (AB) flewelling2016
H_alpha_phot 16.59 0.01 mag barentsen2014
gaia_g 17.0105 0.001 mag gaiacollaboration2018
gaia_bp 17.6873 0.0083 mag gaiacollaboration2018
gaia_rp 16.2081 0.004 mag gaiacollaboration2018
tm_J 15.18 0.055 mag cutri2003
tm_H 14.601 0.065 mag cutri2003
tm_K 14.336 0.079 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
S_3p6 14.4364 0.0341 mag cloutier2014
S_4p5 14.4492 0.0426 mag cloutier2014
S_5p8 14.4773 0.0662 mag cloutier2014
S_8 14.3398 0.0854 mag cloutier2014
W_3p4 14.371 0.031 mag wright2010
W_4p6 14.508 0.053 mag wright2010
W_12 12.469 mag wright2010
W_22 8.712 mag wright2010
wise_flags "AAUU,0000" [char] wright2010

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
h Per currie2010
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
4 currie2010
Derived Stellar Properties
Teff (K)
Value Error Ref.
4555.92 266.835 gaiacollaboration2018
L_star (Lsun)
Value Error Ref.
0.328 0.083 gaiacollaboration2018
R_star (Rsun)
Value Error Ref.
0.92 0.1 gaiacollaboration2018
Optical Photometry
B (mag)
Value Error Ref.
18.515 0.0322800248 mayne2007
V (mag)
Value Error Ref.
17.39 0.009 mayne2007
17.428 keller2002
Ic (mag)
Value Error Ref.
18.515 0.0322800248 mayne2007
16.249 keller2002
g_sloan (mag)
Value Error Ref.
17.893 0.008 bell2013
r_sloan (mag)
Value Error Ref.
17.012 0.01 bell2013
16.91 0.01 barentsen2014
i_sloan (mag)
Value Error Ref.
16.575 0.013 bell2013
16.21 0.01 barentsen2014
z_sloan (mag)
Value Error Ref.
16.308 0.008 bell2013
Coordinates
ra (h m s)
Value Error Ref.
02 23 20.730 gaiacollaboration2018
02 23 20.721 cutri2003
02 23 20.711 wright2010
02 23 20.729 flewelling2016
02 23 20.712 cloutier2014
02 23 20.719 bell2013
02 23 20.712 currie2010
02 23 20.724 mayne2007
02 23 20.825 keller2002
02 23 20.722 barentsen2014
dec (d m s)
Value Error Ref.
+56 56 29.16 gaiacollaboration2018
+56 56 29.16 cutri2003
+56 56 28.99 wright2010
+56 56 29.17 flewelling2016
+56 56 29.40 cloutier2014
+56 56 29.21 bell2013
+56 56 29.40 currie2010
+56 56 29.23 mayne2007
+56 56 29.11 keller2002
+56 56 29.29 barentsen2014
ra_deg (deg)
Value Error Ref.
35.83637419 0.0526 gaiacollaboration2018
35.836337 55.36 cutri2003
35.8362966 9.4719 wright2010
35.83637083 3.0 flewelling2016
35.8363 cloutier2014
35.83632917 bell2013
35.8363 currie2010
35.83635 mayne2007
35.83677 keller2002
35.83634 barentsen2014
dec_deg (deg)
Value Error Ref.
56.94143471 0.067 gaiacollaboration2018
56.941433 55.36 cutri2003
56.941385 14.8081 wright2010
56.94143611 2.0 flewelling2016
56.9415 cloutier2014
56.94144722 bell2013
56.9415 currie2010
56.94145278 mayne2007
56.94142 keller2002
56.94147 barentsen2014

All young stellar objects welcome!

Site Credits  •  Contact Us

California Institue of Technology