20437-8104 WIS 342

20^h 43^m 39.84^s -81° 04' 08.0" P.A. 61.00 sep 714.6 mag 12.20,19.10

Coord 2000	20437-8104	Discov num	WIS 342	Comp		Coord arcsec 2000	20 43 39.84 -81 04 08.0
Date first	1999	Date last	2010	Obs	4
Pa first	61	Pa last	61.4	P.A. Now (θ)	61.4°
Sep first	717.7	Sep last	714.644	Sep. Now (ρ)	714.644"
Mag pri	12.20	Mag sec	19.10	delta mag (ΔM)	6.9	Spectral class
Pri motion ra	+156	Sec motion ra	+127
Pri motion dec	-282	Sec motion dec	-284
Notes	V (Proper motion indicates physical)

rPM=0.09 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Octans

WDS 20437-8104 WIS 342 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
WIS		WISE (Wide-field Infrared Survey Explorer)	.
WIS2010	Hw -	Wright, E.L., Eisenhardt, P.R.M., Mainzer, A.K., Ressler, M.E., Cutri, R.M.,	2010AJ....140.1868W
WIS2010		Jarrett, T., Kirkpatrick, J.D., Padgett, D., McMillan, R.S., Skrutskie, M.,
WIS2010		Stanford, S. A., Cohen, M., Walker, R.G., et al.
WIS2010		AJ 140, 1868, 2010
WIS2010		(Note: default date of 2010.5 given for all measures)
WIS2012	Hw -	Cutri, R.M., Wright, E.L., Conrow, T., Bauer, J., Benford, D., Brandenburg, H.,	2012yCat.2311....0C
WIS2012		Dailey, J., Eisenhardt, P.R.M., Evans, T., Fajardo-Acosta, S., Fowler, J.,
WIS2012		Gelino, C., et al.
WIS2013	Hw j	Cutri, R.M. et al.	2013yCat.2328....0C
WIS2013		AllWISE Data Release. Vizier On-line Data Catalog: II/328
WIS2014	Hw j	Kirkpatrick, J.D., Schneider, A., Fajardo-Acosta, S., Gelino, C.R., Mace, G.N.,	2014ApJ...783..122K
WIS2014		Wright, E.L., Logsdon, S.E., McLean, I.S., Cushing, M.C., Skrutskie, M.F.,
WIS2014		Eisenhardt, P.R., Stern, D., et al.
WIS2014		ApJ 783, 122, 2014 (AllWISE Motion Survey, part 1)
WIS2016	Hw j	Kirkpatrick, J.D., Kellogg, K., Schneider, A.C., Fajardo-Acosta, S., Cushing, M.,	2016ApJS..224...36K
WIS2016	+E2	Greco, J., Mace, G.N., Gelino, C.R., Wright, E.L., Eisenhardt, P.R.M., Stern, D.,
WIS2016		Faherty, J.K., et al.
WIS2016		ApJS 224, 36, 2016 (AllWISE Motion Survey, part 2)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20437-8104	WIS 342		2010	3	61	714.6	12.20	19.10		V	204339.84-810408.0

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WDS 20437-8104 WIS 342 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20437-8104 WIS 342 : MEASURES

No records found.

WDS 20437-8104 : VIRTUAL EYEPIECE

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WDS 20437-8104 : ALADIN DSS IMAGE @ 20^h 43^m 39.84^s -81° 04' 08.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20437-8104 WIS 342 : NEIGHBORHOODS

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WDS 20437-8104 : COMPONENTS

	A
B	pa=15.9° sep=355.83"

20437-8104 A

Componente originario normalizzato	AB		Coord arcsec 2000	204339.84-810408.0		Mag	12.2		PmRA	156.00
PmDE	-282.0

20437-8104 B

Componente originario normalizzato	AB		Coord arcsec 2000	204421.67-805825.9		Mag	19.1		PmRA	127.00
PmDE	-284.0		Calc delta mag	6.9		Calc coord	yes