Star • GDR1 458460752094621440

Cluster
h and chi Per
Proposed Clusters
h Per
Alternate Names
WISEA J022120.33+572025.8
IPHAS J022120.38+572025.5
GDR2 458460756401498624
[KGM2001] 4306
PSO J022120.386+572025.532
2MASS J02212037+5720255
[Cloutier2014] 5890
[CHI2010] h Per M 6031
[KGM2001] 4295
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name h and chi Per [char] cloutier2014
ra 02 21 20.3927 h m s gaiacollaboration2016
dec +57 20 25.5116 d m s gaiacollaboration2016
ra_deg 35.33496951 deg gaiacollaboration2016
dec_deg 57.34041989 deg gaiacollaboration2016
pm_ra 3.167 0.085 mas/yr gaiacollaboration2018
pm_dec -2.183 0.091 mas/yr gaiacollaboration2018
plx 0.5565 0.0468 mas gaiacollaboration2018
st_dist 1796.9452 151.1178 pc gaiacollaboration2018
Agaia 2.7763 0.1801 mag gaiacollaboration2018
U 17.624 mag keller2002
B 17.161 mag keller2002
V 16.119 0.002 mag currie2010
Ic 14.861 0.007 mag currie2010
g_sloan 16.569 0.003 mag flewelling2016
r_sloan 15.758 0.003 mag flewelling2016
i_sloan 15.354 0.002 mag flewelling2016
z_sloan 15.14 0.002 mag flewelling2016
y_opt 14.963 0.005 mag (AB) flewelling2016
H_alpha_phot 18.539 mag keller2002
gaia_g 15.7478 0.0006 mag gaiacollaboration2018
gaia_bp 16.3913 0.0022 mag gaiacollaboration2018
gaia_rp 14.9606 0.0017 mag gaiacollaboration2018
tm_J 13.937 0.035 mag cutri2003
tm_H 13.469 0.04 mag cutri2003
tm_K 13.359 0.052 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
S_3p6 13.2366 0.0212 mag cloutier2014
S_4p5 13.2017 0.0254 mag cloutier2014
S_5p8 13.1702 0.0334 mag cloutier2014
S_8 13.1877 0.0471 mag cloutier2014
W_3p4 13.006 0.04 mag wright2010
W_4p6 13.086 0.026 mag wright2010
W_12 12.035 mag wright2010
W_22 9.135 mag wright2010
wise_flags "AAUU,dd00" [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.
4447.6 87.28 gaiacollaboration2018
L_star (Lsun)
Value Error Ref.
1.584 0.2955 gaiacollaboration2018
R_star (Rsun)
Value Error Ref.
2.12 0.085 gaiacollaboration2018
Optical Photometry
V (mag)
Value Error Ref.
16.128 keller2002
Ic (mag)
Value Error Ref.
15.002 keller2002
r_sloan (mag)
Value Error Ref.
15.58 0.0 barentsen2014
i_sloan (mag)
Value Error Ref.
14.93 0.0 barentsen2014
H_alpha_phot (mag)
Value Error Ref.
15.25 0.0 barentsen2014
Coordinates
ra (h m s)
Value Error Ref.
02 21 20.393 gaiacollaboration2018
02 21 20.379 cutri2003
02 21 20.338 wright2010
02 21 20.392 flewelling2016
02 21 20.376 cloutier2014
02 21 20.376 currie2010
02 21 20.429 keller2002
02 21 20.378 barentsen2014
dec (d m s)
Value Error Ref.
+57 20 25.51 gaiacollaboration2018
+57 20 25.53 cutri2003
+57 20 25.87 wright2010
+57 20 25.52 flewelling2016
+57 20 25.44 cloutier2014
+57 20 25.44 currie2010
+57 20 25.51 keller2002
+57 20 25.51 barentsen2014
ra_deg (deg)
Value Error Ref.
35.3349705 0.0279 gaiacollaboration2018
35.334912 60.0 cutri2003
35.3347414 43.11 wright2010
35.33496667 7.0 flewelling2016
35.3349 cloutier2014
35.3349 currie2010
35.33512 keller2002
35.33491 barentsen2014
dec_deg (deg)
Value Error Ref.
57.34041954 0.0367 gaiacollaboration2018
57.340424 60.0 cutri2003
57.3405199 43.4042 wright2010
57.34042222 2.0 flewelling2016
57.3404 cloutier2014
57.3404 currie2010
57.34042 keller2002
57.34042 barentsen2014

All young stellar objects welcome!

Site Credits  •  Contact Us

California Institue of Technology