21422+3008 MLB 575 BC

21^h 42^m 11.95^s +30° 08' 50.3" P.A. 108.00 sep 2.7 mag 12.30,13.00

Coord 2000	21422+3008	Discov num	MLB 575	Comp	BC	Coord arcsec 2000	21 42 11.95 +30 08 50.3
Date first	1928	Date last	2015	Obs	3
Pa first	96	Pa last	108	P.A. Now (θ)	108°
Sep first	2.5	Sep last	2.711	Sep. Now (ρ)	2.711"
Mag pri	12.30	Mag sec	13.00	delta mag (ΔM)	0.7	Spectral class
Pri motion ra	-016	Sec motion ra
Pri motion dec	-009	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

21422+3008 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 42 11 +30 09 02	MLB 575 AC	2015	6	133	17.4	11.90	13.00	1.10
Show			21 42 12 +30 08 50	MLB 575 BC	2015	3	108	2.7	12.30	13.00	0.70		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1849538953476142080

WDS 21422+3008 MLB 575 BC : NOTES

discov_num	notes	refcode
MLB 575	Heintz described MLB's	Hei1985a
	confused description.	Mlb1929

REFERENCES

refcode	metd	author	reference
Hei1985a	M+ j	Heintz, W.D.	1985ApJS...58..439H
Hei1985a	+Po	ApJS 58, 439, 1985
Mlb1929	Mb -	Milburn, W.	1929MNRAS..89..268E
Mlb1929		MNRAS 89, 268, 1929 (MLB 552 - 591)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21422+3008	MLB 575	BC	1984	2	114	2.3	11.30	12.50		N	214211.95+300850.3
21422+3008	MLB 575	BC	2015	3	108	2.7	12.30	13.00		N	214211.95+300850.3

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

WDS 21422+3008 MLB 575 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21422+3008 MLB 575 BC : MEASURES

No records found.

WDS 21422+3008 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 21422+3008 : ALADIN DSS IMAGE @ 21^h 42^m 11.95^s +30° 08' 50.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21422+3008 MLB 575 BC : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21422+3008	MLB 575	BC	108	2.7
Show		21422+3008	MLB 575	AC	133	17.4	1
Show		21429+3014	TDT3119		157	2.7	11
Show		21420+2951	MLB 720		140	7.2	18
Show		21412+2955	GRV 491		21	31.4	19
Show		21430+2951	KPP 498		58	3.9	21
Show		21395+3009	A 772		112	0.1	35
Show		21442+2942	MLB 493		330	8.6	38
Show		21412+3043	J 3143		262	6.6	39
Show		21451+3026	TDT3136			0.8	41
Show		21420+2924	MLB 539		171	4.8	46
Show		21457+2957	TDT3145		250	2.2	47
Show		21455+2948	DAM 237		233	6.3	47
Show		21458+2954	TDT3146		359	2.5	50
Show		21401+2928	BRT 57		137	5.0	50
Show		21384+2953	MLB 491		34	4.8	51
Show		21410+2920	STT 448		31	0.1	51
Show		21422+3100	OSO 154	AB	25	15.3	51
Show		21422+3100	OSO 154	AC	239	15.8	51
Show		21422+3100	OSO 154	AD	166	16.4	51
Show		21422+3100	OSO 154	AE	108	19.6	51
Show		21407+3056	GRV 490		328	31.7	52
Show		21458+2945	DAM 236		143	5.9	52
Show		21383+2958	HJ 1670		78	11.7	53
Show		21416+2911	GRV 493		184	44.7	58
Show		21384+3044	LDS4900		213	17.4	60
Show		21389+3058	TDT3081		114	0.8	65
Show		21452+2914	UC 4550		15	42.5	67
Show		21418+2901	MLB 492		114	7.0	68
Show		21470+2930	GRV 503		331	20.4	74
Show		21409+3122	AG 275		13	10.9	76
Show		21364+3015	MLB 719		136	6.0	76
Show		21473+2932	STJ 58		193	1.8	77
Show		21455+3113	TDT3141		358	2.5	77
Show		21362+3003	BU 167		89	1.7	78
Show		21441+2845	ES 521	DE	286	17.5	87
Show		21441+2845	FYM 25	DG	164	89.6	87
Show		21355+3012	UC 4502		264	46.1	87
Show		21469+2907	CVR 919		201	23.5	87
Show		21441+2845	STF2822	BD	45	196.7	88
Show		21441+2845	STF2822	AB	325	1.6	89
Show		21441+2845	STF2822	AC	292	76.6	89
Show		21441+2845	STF2822	AD	43	197.0	89
Show		21441+2845	FYM 25	AF	72	111.5	89
Show		21441+2845	FYM 25	AG	73	168.1	89
Show		21461+2855	BRT 58		165	4.4	90
Show		21353+3020	MLB 718		307	8.1	91
Show		21363+2917	BRT 56		306	3.2	93
Show		21396+3136	TDT3088		149	2.9	94
Show		21348+3016	ES 380	CD	312	2.9	96
Show		21353+3043	TDT3047		19	2.4	96

WDS 21422+3008 : COMPONENTS

	A	B
B	pa=132.7° sep=17.83"
C	pa=137.5° sep=16.21"	pa=274.3° sep=2.15"

21422+3008 A

Coord arcsec 2000

214210.94+300902.4

Mag

11.9

PmRA

-8.00

PmDE

-8.0

21422+3008 B

Coord arcsec 2000	214211.95+300850.3		Mag	12.3		PmRA	-16.00		PmDE	-9.0
Calc delta mag	0.4

21422+3008 C

Coord arcsec 2000	214211.78+300850.5		Mag	13		PmRA	-17.00		PmDE	-10.0
Calc delta mag	1.1		Calc coord	yes