21568+3125 BRT 291

21^h 56^m 51.33^s +31° 24' 08.2" P.A. 297.00 sep 1.3 mag 13.00,13.06

Coord 2000	21568+3125	Discov num	BRT 291	Comp		Coord arcsec 2000	21 56 51.33 +31 24 08.2
Date first	1902	Date last	1902	Obs	1
Pa first	297	Pa last	297.2	P.A. Now (θ)	297.2°
Sep first	1.3	Sep last	1.339	Sep. Now (ρ)	1.339"
Mag pri	13.00	Mag sec	13.06	delta mag (ΔM)	0.06	Spectral class
Pri motion ra	-002	Sec motion ra
Pri motion dec	-008	Sec motion dec
Notes	N X B (See Notes, Dubious double, Blue magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Gaia DR2

1897938184019888384

WDS 21568+3125 BRT 291 : NOTES

discov_num	notes	refcode
BRT 291	Not found by Heintz.	Hei1995
	A likely plate flaw.	Grv2021b

REFERENCES

refcode	metd	author	reference
Grv2021b	not -	Greaves, J.	.
Grv2021b		private communication, 2021 (23 Feb 2021 email)
Hei1995	Ma j	Heintz, W.D.	1995ApJS...99..693H
Hei1995	+Po	ApJS 99, 693, 1995
Hei1995	+orb

DISCOVERER

idgroup	discov	author
1	BRT	Barton, S.G.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21568+3125	BRT 291		1902	1	297	1.3	13.00	13.06		N B	215651.33+312408.2

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

WDS 21568+3125 BRT 291 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21568+3125 BRT 291 : MEASURES

No records found.

WDS 21568+3125 : 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 21568+3125 : ALADIN DSS IMAGE @ 21^h 56^m 51.33^s +31° 24' 08.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21568+3125 BRT 291 : 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		21568+3125	BRT 291		297	1.3
Show		21559+3141	ES 2360		226	4.2	22
Show		21566+3053	HDS3119		33	0.6	32
Show		21564+3156	HJ 1707		351	9.5	33
Show		21596+3126	LDS4934		255	10.9	36
Show		21534+3115	TDT3217		327	4.2	46
Show		21544+3204	TDT3227		175	1.3	51
Show		21544+3206	COU1042		108	1.4	53
Show		21554+3217	J 203		67	4.4	57
Show		21591+3216	J 1413		40	4.4	60
Show		21547+3220	LAF 67	AB	31	2.9	62
Show		21547+3220	LAF 67	AC	6	7.8	62
Show		21547+3220	LAF 67	AD	301	9.5	62
Show		21547+3220	LAF 67	AE	138	10.5	62
Show		21547+3220	LAF 67	AF	152	11.4	62
Show		21547+3220	LAF 67	AG	121	13.2	62
Show		21547+3220	LAF 67	AH	33	13.5	62
Show		21547+3220	LAF 67	AI	64	15.1	62
Show		21532+3205	ES 2322	BC	147	5.1	62
Show		21532+3205	ES 2322	AB	52	35.7	62
Show		21532+3205	ES 2322	AD	352	62.1	62
Show		21532+3205	ES 2322	DE	276	5.0	63
Show		21530+3210	KPP4254		337	2.2	68
Show		22008+3212	LDS4936		261	80.5	69
Show		21599+3225	COU 841		246	3.9	73
Show		21573+3241	A 1226		181	0.1	77
Show		22003+3228	ES 2387		326	5.9	78
Show		21553+3239	OSO 162	AB	169	19.6	78
Show		21553+3239	OSO 162	AC	145	23.0	78
Show		22012+3223	GRV1283		235	1.3	82
Show		21564+3001	MLB 721	AB	15	1.6	83
Show		21564+3001	MLB 721	AC	200	6.9	83
Show		21511+3046	DEA 89		204	14.8	83
Show		21516+3030	MLB 669		309	3.2	87
Show		22028+3210	ES 384		67	3.3	90
Show		21501+3151	BU 692	AB	10	2.9	91
Show		21501+3151	FOX 264	AD	150	40.2	91
Show		21501+3151	FOX 264	AE	178	54.5	91
Show		21501+3151	BU 692	AC	292	40.9	91
Show		21501+3151	BU 692	BC	292	40.8	91
Show		21571+3300	TDT3256		177	0.8	96
Show		22040+3053	SMA 161		340	5.3	97
Show		22014+3243	HJ 951		60	12.9	98
Show		21587+2949	BUP 231		76	55.4	99
Show		21557+3301	AG 278		159	3.5	100
Show		22035+3218	TDT3315		38	2.5	101
Show		21494+3048	GRV 511		228	40.4	102
Show		21522+3252	ES 2321		279	2.0	102
Show		22036+3221	TDS1154		231	0.9	103
Show		21555+2942	HO 609	AB	356	3.3	103
Show		21555+2942	HO 609	AC	132	22.1	103

WDS 21568+3125 : COMPONENTS

	A
B	pa=301.1° sep=1.19"

21568+3125 A

Componente originario normalizzato	AB		Coord arcsec 2000	215651.33+312408.2		Mag	13		PmRA	-2.00
PmDE	-8.0

21568+3125 B

Componente originario normalizzato	AB		Coord arcsec 2000	215651.25+312408.8		Mag	13.06		Calc delta mag	0.06
Calc coord	yes