20119+3612 BKO 101 AC

20^h 11^m 53.53^s +36° 11' 50.6" P.A. 242.00 sep 41.1 mag 8.12,12.04 Sp WC dist. 1470.59 pc (4797.06 l.y.)

Coord 2000	20119+3612	Discov num	BKO 101	Comp	AC	Coord arcsec 2000	20 11 53.53 +36 11 50.6
Date first	1896	Date last	2015	Obs	12
Pa first	243	Pa last	241.6	P.A. Now (θ)	241.6°
Sep first	41.5	Sep last	41.052	Sep. Now (ρ)	41.052"
Mag pri	8.12	Mag sec	12.04	delta mag (ΔM)	3.92	Spectral class	WC (Wolf-Rayet)
Pri motion ra	-002	Sec motion ra	-002
Pri motion dec	-006	Sec motion dec	-005
Notes	N (See Notes)

rPM=0.158 (< 0.3, Physical double)

This double is physical.

20119+3612 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	V1042 Cyg	69584	20 11 54 +36 11 51	BLL 46 AB	2015	19	109	53.2	8.12	10.57	2.45
Show		69584	20 11 54 +36 11 51	BKO 101 AC	2015	12	242	41.1	8.12	12.04	3.92		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	V1042 Cyg	Constellation	Cygnus	SAO	69584	HIP	99525
Tycho2	2683-02288-1	Gaia DR2	2058985262750809088	HD	192103	BD	BD+35 4013
Distance	1470.59	Distance ly	4797.06

WDS 20119+3612 BKO 101 AC : NOTES

discov_num	notes	refcode
BLL 46	A is the irregular variable V1042 Cyg.

REFERENCES

refcode	metd	author	reference
Bko2002	C -	Ladanyi, T. & Berko, E.	...................
Bko2002		Webb Soc., Double Star Circ. 10, 2002
Bko2003	C u	Ladanyi, T., Berko, E. & Vaskuti, G	...................
Bko2003		Webb Soc., Double Star Circ. 11, 2003
Bko2004	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2004		Webb Soc., Double Star Circ. 12, 2004
Bko2005	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2005		Webb Soc., Double Star Circ. 13, 2005
Bko2008	C u	Berko, E. & Vaskuti, G.	...................
Bko2008		Webb Soc., Double Star Circ. 16, 2008
Bko2008b	C u	Berko, E.	2008JDSO....4..144B
Bko2008b		JDSO 4, 144, 2008
Bko2009	C u	Berko, E.	2009JDSO....5...49B
Bko2009		JDSO 5, 49, 2009
Bko2009b	C u	Berko, E.	2009JDSO....5..168B
Bko2009b		JDSO 5, 168, 2009
Bko2009c	C u	Berko, E.	...................
Bko2009c		Webb Soc., Double Star Circ. 17, 2009
Bko2009d	C u	Berko, E.	2009JDSO....5..189B
Bko2009d		JDSO 5, 189, 2009
Bko2010a	C u	Berko, E.	2010JDSO....6...21B
Bko2010a		JDSO 6, 21, 2010
Bko2010b	C u	Berko, E.	...................
Bko2010b		Webb Soc., Double Star Circ. 18, 2010
Bko2011a	C u	Berko, E.	2011JDSO....7....2B
Bko2011a		JDSO 7, 2, 2011
Bko2011b	C u	Berko, E.	...................
Bko2011b		Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c	C u	Berko, E.	...................
Bko2011c		Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012	C u	Berko, E.	...................
Bko2012		Webb Soc., Double Star Circ. 20, 2012
Bll1872	orb -	Ball, R.S.	.
Bll1872		Proc. Royal Irish Acad., June 1872
Bll1884	Ma j	Ball, R.S.	1884DunOP...5....1B
Bll1884		Pub. Dunsink Obs. 5, 1, 1884
Bll1913A	Ma -	Ball, R.S.	1913QB811.B8.......
Bll1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Bll1932A	-	Ball, R.S.	1932QB821.A43......
Bll1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20119+3612	BKO 101	AC	2002	6	241	41.2	8.12	12.00	WC	D	201153.53+361150.6
20119+3612	BKO 101	AC	2015	8	242	41.1	8.12	12.04	WC	N	201153.53+361150.6

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WDS 20119+3612 BKO 101 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20119+3612 BKO 101 AC : MEASURES

No records found.

WDS 20119+3612 : VIRTUAL EYEPIECE

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WDS 20119+3612 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.