Star • GDR1 458373031689578624

Cluster
h and chi Per
Proposed Clusters
h Per
Alternate Names
PSO J021812.915+571054.589
[Cloutier2014] 1153
GDR2 458373035989880704
[MAB2013] 311
IPHAS J021812.91+571054.6
WISEA J021812.88+571054.3
[CHI2010] h Per M 1211
[KGM2001] 12997
2MASS J02181292+5710545
[CHI2010] h Per M1211
[CHI2010] S 4936
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name h and chi Per [char] cloutier2014
ra 02 18 12.9212 h m s gaiacollaboration2016
dec +57 10 54.5442 d m s gaiacollaboration2016
ra_deg 34.55383851 deg gaiacollaboration2016
dec_deg 57.18181784 deg gaiacollaboration2016
pm_ra -0.5 0.328 mas/yr gaiacollaboration2018
pm_dec -1.468 0.281 mas/yr gaiacollaboration2018
plx 0.2115 0.1744 mas gaiacollaboration2018
spt G9.1 [char] currie2010
spt_num 49.1 1.5 [decimal allowed] currie2010
spt_lit G9.1 [char] currie2010
var_amp 0.015 mag moraux2013
rot_period 0.496 days moraux2013
M_star 1.18 Msun moraux2013
log_M_star 0.0719 log Msun moraux2013
V 18.713 0.003 mag currie2010
Ic 17.078 0.003 mag currie2010
g_sloan 19.198 0.032 mag flewelling2016
r_sloan 18.131 0.005 mag flewelling2016
i_sloan 17.602 0.007 mag flewelling2016
z_sloan 17.282 0.005 mag flewelling2016
y_opt 17.05 0.009 mag (AB) flewelling2016
H_alpha_phot 17.65 0.02 mag barentsen2014
gaia_g 18.0758 0.0026 mag gaiacollaboration2018
gaia_bp 18.766 0.0268 mag gaiacollaboration2018
gaia_rp 17.14 0.0084 mag gaiacollaboration2018
tm_J 15.968 0.087 mag cutri2003
tm_H 15.351 0.107 mag cutri2003
tm_K 14.896 0.115 mag cutri2003
tm_flags "AAB,0" [char] cutri2003
J 15.87 mag moraux2013
H 15.22 mag moraux2013
K 15.0 mag moraux2013
S_3p6 14.9528 0.0427 mag cloutier2014
S_4p5 14.9455 0.0532 mag cloutier2014
S_5p8 15.0459 0.0881 mag cloutier2014
S_8 15.0537 0.1225 mag cloutier2014
W_3p4 14.975 0.043 mag wright2010
W_4p6 15.889 0.158 mag wright2010
W_12 12.496 mag wright2010
W_22 8.703 mag wright2010
wise_flags "ABUU,0h00" [char] wright2010

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
h Per moraux2013
h Per currie2010
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
4 currie2010
Optical Photometry
V (mag)
Value Error Ref.
18.687 keller2002
Ic (mag)
Value Error Ref.
17.158 keller2002
r_sloan (mag)
Value Error Ref.
18.09 0.02 barentsen2014
i_sloan (mag)
Value Error Ref.
17.51 moraux2013
17.31 0.02 barentsen2014
Coordinates
ra (h m s)
Value Error Ref.
02 18 12.921 gaiacollaboration2018
02 18 12.887 wright2010
02 18 12.922 flewelling2016
02 18 12.92 moraux2013
02 18 12.910 barentsen2014
02 18 12.921 cutri2003
02 18 12.912 cloutier2014
02 18 12.912 currie2010
02 18 12.818 keller2002
dec (d m s)
Value Error Ref.
+57 10 54.54 gaiacollaboration2018
+57 10 54.34 wright2010
+57 10 54.54 flewelling2016
+57 10 54.7 moraux2013
+57 10 54.55 barentsen2014
+57 10 54.59 cutri2003
+57 10 54.48 cloutier2014
+57 10 54.48 currie2010
+57 10 54.52 keller2002
ra_deg (deg)
Value Error Ref.
34.55383832 0.0985 gaiacollaboration2018
34.553695 5.7201 wright2010
34.55384167 5.0 flewelling2016
34.55383333 moraux2013
34.55379 barentsen2014
34.553837 70.0 cutri2003
34.5538 cloutier2014
34.5538 currie2010
34.55341 keller2002
dec_deg (deg)
Value Error Ref.
57.18181765 0.1288 gaiacollaboration2018
57.18176 44.443 wright2010
57.18181667 11.0 flewelling2016
57.18186111 moraux2013
57.18182 barentsen2014
57.181831 70.0 cutri2003
57.1818 cloutier2014
57.1818 currie2010
57.18181 keller2002

All young stellar objects welcome!

Site Credits  •  Contact Us

California Institue of Technology