19409+3956 KOI 2991

19^h 40^m 52.20^s +39° 55' 59.2" P.A. 90.00 sep 4.0 mag 13.20,19.00

Coord 2000	19409+3956	Discov num	KOI2991	Comp		Coord arcsec 2000	19 40 52.20 +39 55 59.2
Date first	2010	Date last	2010	Obs	1
Pa first	90	Pa last	89.8	P.A. Now (θ)	89.8°
Sep first	4.0	Sep last	3.959	Sep. Now (ρ)	3.959"
Mag pri	13.20	Mag sec	19.00	delta mag (ΔM)	5.8	Spectral class
Pri motion ra	-006	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2076289896455992960

WDS 19409+3956 KOI 2991 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
KOI		"Kepler Object of Interest" (transiting exoplanet candidate of Kepler mission.	...................
KOI		Identifications maintained for KOI doubles, adding only component designations.
KOI		KOI reference codes are also given to papers cited in notes to KOI papers.)
KOI2011a	not -	Slawson, R.W., Prsa, A., Welsh, W.F., et al.	2011AJ....142..160S
KOI2011a		AJ 142, 160, 2011 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2011b	not -	Borucki, W.J., Koch, D.G., Basri, G., et al.	2011ApJ...736...19B
KOI2011b		ApJ 736, 19, 2011 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2012a	not -	Howell, S.B., Rowe, J.F., Bryson, S.T., et al.	2012ApJ...746..123H
KOI2012a		ApJ 746, 123, 2012 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2012b	not -	Welsh, W.F., Orosz, J.A., Carter, J.A., et al.	2012Natur.481..475W
KOI2012b		Nature 481, 475, 2012 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2013a	not -	Batalha, N.M., Rowe, J.F., Bryson, S.T., et al.	2013ApJS..204...24B
KOI2013a		ApJS 204, 24, 2013 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2014a	not -	Burke, C.J., Bryson, S.T., Mullally, F., et al.	2014ApJS..210...19B
KOI2014a		ApJS 210, 19, 2014 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2014b	not -	Rowe, J.F., Bryson, S.T., Marcy, G.W., et al.	2014ApJ...784...45R
KOI2014b		ApJ 784, 45, 2014 (see Dressing et al. 2014)	2014AJ....148...78D
KOI2015	not -	Metcalfe, T.S., Creevey, O.L. & Davies, G.R.	2014ApJ...811L..37M
KOI2015		ApJ 811L, 37, 2015	2014AJ....148...78D
KOI2017	A -	Hirsch, L.A., Ciardi, D.R., Howard, A.W., Everett, M.E., Furlan, E., Saylors, M.,	2017AJ....153..117H
KOI2017	+S	Horch, E.P., Howell, S.B., Teske, J., & Marcy, G.W.
KOI2017	+Cl	AJ 153, 117, 2017 (no new data)
KOI2017	+Hp
KOI2018a	A j	Clarke, R.W., Davenport, J.R.A., Covey, K.R. & Baranec, C.	2018ApJ...853...59C
KOI2018a		ApJ 853, 59, 2018

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19409+3956	KOI2991		2010	1	90	4.0	13.20	19.00		K	194052.20+395559.2

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WDS 19409+3956 KOI 2991 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19409+3956 KOI 2991 : MEASURES

No records found.

WDS 19409+3956 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 19409+3956 : ALADIN DSS IMAGE @ 19^h 40^m 52.20^s +39° 55' 59.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19409+3956 KOI 2991 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		19409+3956	KOI2991		90	4.0
Show		19401+3943	COU2407		131	0.7	9
Show		19417+3953	KOI5084		117	3.6	11
Show		19399+3958	TDT1613		138	0.9	11
Show		19419+3952	KOI1455		244	3.3	13
Show		19415+4009	GUR 36		165	0.6	15
Show		19411+4011	KOI4682		188	2.5	16
Show		19412+4011	KOI3579		181	1.7	16
Show		19411+4012	KOI4819	AB	161	1.8	16
Show		19411+4012	KOI4819	AC	299	2.6	16
Show		19413+4011	KOI2041		115	3.7	17
Show		19412+4012	KOI6495	AB	299	2.9	17
Show		19412+4012	KOI6495	AC	230	3.8	17
Show		19395+4000	KOI2962		68	1.1	17
Show		19394+3955	KOI2900		87	2.4	18
Show		19412+4014	GUR 35		171	0.1	18
Show		19418+4011	KOI6498		208	3.3	19
Show		19390+3949	SEI 655	AB	108	24.8	19
Show		19390+3949	TOB 159	AC	151	37.8	19
Show		19416+4013	KOI3571		183	2.2	19
Show		19425+3958	ALI1116		199	11.2	20
Show		19425+3949	KOI5085		357	3.5	20
Show		19400+3939	KOI6427		40	3.2	21
Show		19396+4010	KOI6491	AB	107	2.2	21
Show		19396+4010	KOI6491	AC	21	3.8	21
Show		19426+4002	BUP 196		166	106.9	21
Show		19416+4015	KOI5127	AB	201	2.6	21
Show		19416+4015	KOI5127	AC	73	3.7	21
Show		19416+4015	KOI5127	AD	227	3.8	21
Show		19407+3935	KOI5067		305	3.2	22
Show		19420+4015	KUI 94		158	0.5	23
Show		19391+3945	KOI3872		60	2.9	24
Show		19391+3946	KOI6433		291	2.1	24
Show		19408+3932	KOI 626	AB	168	2.8	24
Show		19422+4014	KOI 638	AB	57	8.5	25
Show		19388+4000	KOI 497		306	2.0	25
Show		19421+3936	KOI2814		218	3.4	25
Show		19387+3950	KOI6446		108	2.5	26
Show		19427+4011	KOI4280		67	3.8	26
Show		19388+4010	ES 1968	BC	276	4.4	26
Show		19388+4010	ES 1968	AB	107	37.9	27
Show		19393+4016	KOI1777		330	2.3	27
Show		19432+4001	KOI6475		57	1.3	27
Show		19413+3929	KOI6412		343	2.2	28
Show		19391+3936	KOI2481	AB	184	1.1	29
Show		19391+3936	KOI2481	AC		4.3	29
Show		19391+3936	KOI2481	AD	126	4.5	29
Show		19434+3956	KOI4851		202	3.0	29
Show		19435+3958	KOI6461		178	3.8	30
Show		19435+3957	KOI6462		217	2.2	30
Show		19436+3954	KOI1757		77	3.0	31

WDS 19409+3956 : COMPONENTS

	A
B	pa=89.7° sep=3.04"

19409+3956 A

Componente originario normalizzato	AB		Coord arcsec 2000	194052.20+395559.2		Mag	13.2		PmRA	-6.00
PmDE	2.0

19409+3956 B

Componente originario normalizzato	AB		Coord arcsec 2000	194052.46+395559.2		Mag	19		Calc delta mag	5.8
Calc coord	yes