WDS 02340-1812 BRG 13

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02340-1812
BRG 13

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 02340-1812 BRG 13 : NOTES

discov_num	notes	refcode
BRG 13	There is insufficient motion between the two epochs of observation of
	2MASS J02335984-1811525 to establish common proper motion of the
	binary, but the components are nearly equal brightness and color, and
	reside at a relatively small separation of ~0.85" hence it is almost
	certainly a physical pair.	Jnn2012

REFERENCES

refcode	metd	author	reference
Jnn2012	Cl j	Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S.,	2012ApJ...754...44J
Jnn2012	+E2	Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T.
Jnn2012		ApJ 754, 44, 2012 (some recalibrated measures published in Jnn2014b)	2014ApJS..214...17J

DISCOVERER

idgroup	discov	author
1	BRG	Bergfors, C. Brandner, W., Janson, M., Daemgen, S., Geissler, K., Henning, T.,
1	BRG	Hippler, S., Hormuth, F., Joergens, V., & Koehler, R.
10	BRG	Bergfors, C. Brandner, W., Daemgen, S., Biller, B., Hippler, S., Janson, M.,
10	BRG	Kudryavtseva, N., Geissler, K., Henning, T., & Koehler, R.
11	BRG	Bergfors, C. Brandner, W., Bonnefoy, M., Schlieder, J., Janson, M., Henning, Th. &
11	BRG	Chauvin, G.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02340-1812	BRG 13		2008	1	49	0.9	10.09		M3.0 M3.5	DK	023359.84-181152.5
02340-1812	BRG 13		2010	2	49	0.8	10.09		M3.0 M3.5	DK	023359.84-181152.5
02340-1812	BRG 13		2012	4	50	0.8	10.09		M3.0 M3.5	NV K	023359.84-181152.5
02340-1812	BRG 13		2014	5	5	0.9	14.70	14.70	M3.0+M3.5	NV K	023359.84-181152.5

If you need more information about this double, apply for a data request form to the WDS.