J/A+A/559/A43 Pan-STARRS1 (PS1) observations of the Hyades (Goldman+, 2013)
Towards a complete stellar mass function of the Hyades.
I. Pan-STARRS1 optical observations of the low-mass stellar content.
Goldman B., Roeser S., Schilbach E., Magnier E.A., Olczak C., Henning T.,
Juric M., Schlafly E., Chen W.P., Platais I., Burgett W., Hodapp K.,
Heasley J., Kudritzki R.P., Morgan J.S., Price P.A., Tonry J.L.,
Wainscoat R.
<Astron. Astrophys., 559, A43-43 (2013)>
=2013A&A...559A..43G 2013A&A...559A..43G
ADC_Keywords: Clusters, open ; Stars, late-type ; Proper motions ;
Photometry, SDSS
Keywords: open clusters and associations: individual: Hyades -
stars: luminosity function, mass function - stars: low-mass -
stars: individual: 2MASSI J0230155+270406 -
stars: individual: 2MASS J05233822-1403022
Abstract:
We performed a kinematic and photometric search for Hyades members
using the PPMXL and Pan-STARRS1 sky surveys, up to 30pc from the
cluster centre, down to masses of 0.1M☉. We exclude some candidates
previously identified in Roeser et al. (2011, Cat. J/A+A/531/A92).
We discovered 62 new Hyades member candidates with velocity
perpendicular to the Hyades motion up to 4km/s. They have mass
estimates between 0.43 and 0.09M☉, for a total mass of
10M☉.
Description:
Photometric and kinematic parameters for 774 Hyades member candidates,
from the PPMXL, PS1, SDSS DR8 and WISE surveys.
The convergent point method used for the kinematic selection predicts
the secular parallax and space velocity of the objects assuming Hyades
membership.
The table includes the original parameters for the 711 confirmed
candidates published in Roeser et al (2011, Cat. J/A+A/531/A92),
complemented by PS1 and WISE photometry. as well as the new 62
candidates.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table6.dat 387 773 Photometric and kinematic parameters for
773 Hyades member candidates
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See also:
I/317 : The PPMXL Catalog (Roeser+ 2010)
II/311 : WISE All-Sky Data Release (Cutri+ 2012)
II/328 : AllWISE Data Release (Cutri+ 2013)
V/139 : SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)
J/A+A/531/A92 : Deep all-sky census of the Hyades (Roeser+, 2011)
Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 8 I8 --- Seq Identifier (Seq≤724 ix from Roeser et al.
2011, J/A+A/531/A92)
10- 20 F11.7 deg RAdeg PPMXL Right Ascension (J2000.0, epoch 2000.0)
22- 32 F11.7 deg DEdeg PPMXL Declination (J2000.0, epoch 2000.0)
34- 45 F12.8 deg RA2deg PS1 Right Ascension (J2000.0, epoch MJDps)
47- 58 F12.8 deg DE2deg PS1 Declination (J2000.0, epoch MJDps)
60- 72 F13.7 d MJDps PS1 MJD epoch
74- 92 I19 --- PPMXL PPMXL Identifier (Cat. I/317)
94- 95 I2 --- f_PPMXL [0/10] PPMXL flag (1)
97-102 F6.2 mas/yr pmRA PPMXL Proper Motion in RA*cos(DEdeg)
104-107 F4.1 mas/yr e_pmRA Mean error in pmRA*cos(DEdeg)
109-115 F7.2 mas/yr pmDE PPMXL Proper Motion in Dec
117-120 F4.1 mas/yr e_pmDE Mean error in pmDec
122-126 F5.2 mas plx Secular parallax
128-131 F4.2 mas e_plx Mean error of Secular parallax
133-137 F5.2 pc rc [0/30] Distance from the cluster centre
139-143 F5.2 km/s RV [16/46] Predicted radial velocity
145-149 F5.2 km/s Vpar [5/43] Tangential velocity in direction
of the convergent point
151-154 F4.2 km/s e_Vpar Mean error of Vpar
156-160 F5.2 km/s Vperp [-5/4] Tangential velocity in direction
perpendicular to the convergent point
162-165 F4.2 km/s e_Vperp Mean error of Vperp
167-170 F4.2 Msun M [0.09/2.6] Mass of the star
172-177 F6.3 mag gmed ?=0.0 PS1 PSF median magnitude in g band
179-183 F5.3 mag e_gmed ?=0.0 Error of gmed
185-190 F6.3 mag rmed ?=0.0 PS1 PSF median magnitude in r band
192-196 F5.3 mag e_rmed ?=0.0 Error of rmed
198-203 F6.3 mag imed ?=0.0 PS1 PSF median magnitude in i band
205-209 F5.3 mag e_imed ?=0.0 Error of imed
211-216 F6.3 mag zmed ?=0.0 PS1 PSF median magnitude in z band
218-222 F5.3 mag e_zmed ?=0.0 Error of zmed
224-229 F6.3 mag ymed ?=0.0 PS1 PSF median magnitude in y band
231-235 F5.3 mag e_ymed ?=0.0 Error of ymed
237-242 F6.3 mag gmag ?=0.0 SDSS g-band magnitude (SDSS-DR8)
245-250 F6.3 mag e_gmag ?=0.0 Error of gmag
252-257 F6.3 mag rmag ?=0.0 SDSS r-band magnitude (SDSS-DR8)
260-265 F6.3 mag e_rmag ?=0.0 Error of rmag
267-272 F6.3 mag imag ?=0.0 SDSS i-band magnitude (SDSS-DR8)
274-279 F6.3 mag e_imag ?=0.0 Error of imag
281-286 F6.3 mag zmag ?=0.0 SDSS z-band magnitude (SDSS-DR8)
290-295 F6.3 mag e_zmag ?=0.0 Error of zmag
297-302 F6.3 mag Jmag 2MASS J band magnitude (as in PPMXL)
304-308 F5.3 mag e_Jmag Error of Jmag
310-315 F6.3 mag Hmag 2MASS H band magnitude (as in PPMXL)
317-321 F5.3 mag e_Hmag Error of Hmag
323-328 F6.3 mag Kmag 2MASS Ks band magnitude (as in PPMXL)
330-334 F5.3 mag e_Kmag Error of Kmag
336-341 F6.3 mag W1mag ?=0.0 WISE W1-band magnitude (3.3um)
343-347 F5.3 mag e_W1mag ?=0.0 Error of W1mag
349-354 F6.3 mag W2mag ?=0.0 WISE W2-band magnitude (4.6um)
356-360 F5.3 mag e_W2mag ?=0.0 Error of W2mag
362-367 F6.3 mag W3mag ?=0.0 WISE W3-band magnitude (11.6um)
369-373 F5.3 mag e_W3mag ?=0.0 Error of W3mag
375-379 F5.3 mag W4mag ?=0.0 WISE W4-band magnitude (22.1um)
381-385 F5.3 mag e_W4mag ?=0.0 Error of W4mag
387 A1 --- Src [0,1] Origin of source: 1=from this paper,
0=from Roeser et al. 2011 (J/A+A/531/A92)
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Note (1): PPMXL flag from PPMXL catalog (I/317):
1 = one of the coordinates had an excessively large χ2
2 = Row is from PPMX (Cat. I/312)
[if set, magnitudes b1, b2, r1, r2, i are not from USNO-B]
10 = row from PPMX replacing multiple USNO-B1.0 sources
[if set, magnitudes b1, b2, r1, r2, i are not from USNO-B]
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Acknowledgements:
Bertrand Goldman, goldman(at)mpia.de
(End) Bertrand Goldman [MPIA], Patricia Vannier [CDS] 02-Apr-2014