YSOC

Fiducial Data

Parameter

Value

Error

Unit

Reference

cluster_name

h and chi Per

[char]

cloutier2014

02 22 15.8865

h m s

gaiacollaboration2016

dec

+57 06 48.7512

d m s

gaiacollaboration2016

ra_deg

35.56619388

deg

gaiacollaboration2016

dec_deg

57.113542

deg

gaiacollaboration2016

pm_ra

-0.479

0.052

mas/yr

gaiacollaboration2018

pm_dec

-0.922

0.06

mas/yr

gaiacollaboration2018

plx

0.4707

0.0311

mas

gaiacollaboration2018

st_dist

2124.4954

140.3693

gaiacollaboration2018

spt

B8.02

[char]

currie2010

spt_num

18.02

1.1

[decimal allowed]

currie2010

spt_lit

B8.02

[char]

currie2010

Agaia

1.224

0.3008

mag

gaiacollaboration2018

14.769

14.711

14.319

0.004

mag

currie2010

13.826

0.004

mag

currie2010

g_sloan

14.468

0.002

mag

flewelling2016

r_sloan

14.28

0.006

mag

flewelling2016

i_sloan

14.242

0.001

mag

flewelling2016

Membership

cluster_name ([char])
Value	Error	Ref.
unknown		gaiacollaboration2016
chi Per		bell2013
chi Per		mayne2007
h Per		currie2010
chi Per		slesnick2002

mem_num ([integer])
Value	Error	Ref.
0		gaiacollaboration2016
4		currie2010

Motion

pm_ra (mas/yr)
Value	Error	Ref.
-0.9	2.1	zacharias2017

pm_dec (mas/yr)
Value	Error	Ref.
-2.9	2.1	zacharias2017

ObsProp

spt ([char])
Value	Error	Ref.
B8		skiffBMK
B8		slesnick2002

spt_num ([decimal allowed])
Value	Error	Ref.
18.0		skiffBMK
18.0		slesnick2002

spt_lit ([char])
Value	Error	Ref.
B8V		skiffBMK
B8V		slesnick2002

Derived Stellar Properties

Teff (K)
Value	Error	Ref.
6854.33	322.0	gaiacollaboration2018

L_star (Lsun)
Value	Error	Ref.
6.598	1.0475	gaiacollaboration2018

R_star (Rsun)
Value	Error	Ref.
1.82	0.18	gaiacollaboration2018

Optical Photometry

U (mag)
Value	Error	Ref.
15.475	0.006	bell2013
14.856		keller2002

B (mag)
Value	Error	Ref.
14.741		mayne2007
14.763		keller2002

V (mag)
Value	Error	Ref.
14.32		mayne2007
14.312		slesnick2002
14.336		keller2002

Ic (mag)
Value	Error	Ref.
13.814		mayne2007
13.953		keller2002

g_sloan (mag)
Value	Error	Ref.
14.443	0.007	bell2013

r_sloan (mag)
Value	Error	Ref.
14.245	0.007	bell2013
14.16	0.0	barentsen2014

i_sloan (mag)
Value	Error	Ref.
14.236	0.013	bell2013
13.89	0.0	barentsen2014

z_sloan (mag)
Value	Error	Ref.
14.175	0.006	bell2013

H_alpha_phot (mag)
Value	Error	Ref.
14.03	0.0	barentsen2014

gaia_g (mag)
Value	Error	Ref.
14.178		gaiacollaboration2016

Coordinates

ra (h m s)
Value	Error	Ref.
02 22 15.887		gaiacollaboration2016
02 22 15.881		cutri2003
02 22 15.886		flewelling2016
02 22 15.884		bell2013
02 22 15.888		barentsen2014
02 22 15.880		skiffBMK
02 22 15.888		zacharias2017
02 22 15.886		gaiacollaboration2018
02 22 15.883		mayne2007
02 22 15.888		cloutier2014
02 22 15.888		currie2010
02 22 15.82		slesnick2002
02 22 15.938		keller2002

dec (d m s)
Value	Error	Ref.
+57 06 48.75		gaiacollaboration2016
+57 06 48.83		cutri2003
+57 06 48.75		flewelling2016
+57 06 48.82		bell2013
+57 06 48.82		barentsen2014
+57 06 48.80		skiffBMK
+57 06 48.79		zacharias2017
+57 06 48.75		gaiacollaboration2018
+57 06 48.82		mayne2007
+57 06 48.96		cloutier2014
+57 06 48.96		currie2010
+57 06 48.7		slesnick2002
+57 06 48.49		keller2002

ra_deg (deg)
Value	Error	Ref.
35.56619388	0.358	gaiacollaboration2016
35.566172	60.0	cutri2003
35.56619167	5.0	flewelling2016
35.56618333		bell2013
35.5662		barentsen2014
35.5661667		skiffBMK
35.5661992		zacharias2017
35.5661936	0.02	gaiacollaboration2018
35.56617917		mayne2007
35.5662		cloutier2014
35.5662		currie2010
35.56591667		slesnick2002
35.56641		keller2002

dec_deg (deg)
Value	Error	Ref.
57.113542	0.196	gaiacollaboration2016
57.113564	60.0	cutri2003
57.11354167	10.0	flewelling2016
57.11356111		bell2013
57.11356		barentsen2014
57.1135556		skiffBMK
57.1135514		zacharias2017
57.1135417	0.0259	gaiacollaboration2018
57.11356111		mayne2007
57.1136		cloutier2014
57.1136		currie2010
57.11352778		slesnick2002
57.11347		keller2002

Star • GDR1 458407494505865600

Fiducial Data

Non Fiducial Data

Membership

Motion

ObsProp

Derived Stellar Properties

Optical Photometry

Coordinates