Star • GDR1 458473568280463744

Cluster
h and chi Per
Proposed Clusters
h Per
Alternate Names
IPHAS J022018.56+572337.3
2MASS J02201854+5723371
WISEA J022018.54+572337.1
PSO J022018.553+572337.225
[CHI2010] h Per M 7328
[CHI2010] h Per M7328
[Cloutier2014] 7177
GDR2 458473572583885184
[CHI2010] S 2112
[KGM2001] 7429
mayne2007_persei 2373
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name h and chi Per [char] cloutier2014
ra 02 20 18.5634 h m s gaiacollaboration2016
dec +57 23 37.212 d m s gaiacollaboration2016
ra_deg 35.07734755 deg gaiacollaboration2016
dec_deg 57.39366999 deg gaiacollaboration2016
pm_ra 2.695 0.142 mas/yr gaiacollaboration2018
pm_dec 3.692 0.146 mas/yr gaiacollaboration2018
plx 0.5685 0.0757 mas gaiacollaboration2018
st_dist 1759.015 234.2259 pc gaiacollaboration2018
spt F9.1 [char] currie2010
spt_num 39.1 2.3 [decimal allowed] currie2010
spt_lit F9.1 [char] currie2010
V 17.18 0.001 mag currie2010
Ic 15.904 0.001 mag currie2010
g_sloan 17.594 0.003 mag flewelling2016
r_sloan 16.781 0.003 mag flewelling2016
i_sloan 16.376 0.004 mag flewelling2016
z_sloan 16.164 0.003 mag flewelling2016
y_opt 15.998 0.007 mag (AB) flewelling2016
H_alpha_phot 16.3 0.01 mag barentsen2014
gaia_g 16.77 0.0007 mag gaiacollaboration2018
gaia_bp 17.4047 0.0106 mag gaiacollaboration2018
gaia_rp 15.9783 0.003 mag gaiacollaboration2018
tm_J 14.911 0.045 mag cutri2003
tm_H 14.525 0.049 mag cutri2003
tm_K 14.557 0.093 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
S_3p6 14.3371 0.0327 mag cloutier2014
S_4p5 14.309 0.0401 mag cloutier2014
S_5p8 14.3493 0.0589 mag cloutier2014
S_8 14.368 0.0884 mag cloutier2014
W_3p4 14.3 0.028 mag wright2010
W_4p6 14.357 0.047 mag wright2010
W_12 12.171 mag wright2010
W_22 8.55 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.
4404.67 71.19 gaiacollaboration2018
L_star (Lsun)
Value Error Ref.
0.603 0.168 gaiacollaboration2018
R_star (Rsun)
Value Error Ref.
1.33 0.04 gaiacollaboration2018
Optical Photometry
B (mag)
Value Error Ref.
18.313 0.0303644529 mayne2007
V (mag)
Value Error Ref.
17.16 0.009 mayne2007
17.211 keller2002
Ic (mag)
Value Error Ref.
18.313 0.0303644529 mayne2007
16.056 keller2002
r_sloan (mag)
Value Error Ref.
16.64 0.01 barentsen2014
i_sloan (mag)
Value Error Ref.
15.98 0.01 barentsen2014
Coordinates
ra (h m s)
Value Error Ref.
02 20 18.564 gaiacollaboration2018
02 20 18.542 cutri2003
02 20 18.549 wright2010
02 20 18.563 flewelling2016
02 20 18.528 cloutier2014
02 20 18.528 currie2010
02 20 18.551 mayne2007
02 20 18.574 keller2002
02 20 18.557 barentsen2014
dec (d m s)
Value Error Ref.
+57 23 37.21 gaiacollaboration2018
+57 23 37.17 cutri2003
+57 23 37.18 wright2010
+57 23 37.21 flewelling2016
+57 23 37.32 cloutier2014
+57 23 37.32 currie2010
+57 23 37.26 mayne2007
+57 23 36.96 keller2002
+57 23 37.25 barentsen2014
ra_deg (deg)
Value Error Ref.
35.07734865 0.0449 gaiacollaboration2018
35.077259 64.74 cutri2003
35.0772858 2.9536 wright2010
35.07734583 3.0 flewelling2016
35.0772 cloutier2014
35.0772 currie2010
35.07729583 mayne2007
35.07739 keller2002
35.07732 barentsen2014
dec_deg (deg)
Value Error Ref.
57.39367035 0.0573 gaiacollaboration2018
57.393658 74.01 cutri2003
57.3936609 5.7786 wright2010
57.39366944 14.0 flewelling2016
57.3937 cloutier2014
57.3937 currie2010
57.39368333 mayne2007
57.3936 keller2002
57.39368 barentsen2014

All young stellar objects welcome!

Site Credits  •  Contact Us

California Institue of Technology