21154-2842 LDS 4874

21^h 15^m 26.70^s -28° 42' 57.3" P.A. 34.00 sep 22.5 mag 13.40,18.69

Coord 2000	21154-2842	Discov num	LDS4874	Comp		Coord arcsec 2000	21 15 26.70 -28 42 57.3
Date first	1960	Date last	2016	Obs	7
Pa first	34	Pa last	33.5	P.A. Now (θ)	33.5°
Sep first	22.5	Sep last	22.491	Sep. Now (ρ)	22.491"
Mag pri	13.40	Mag sec	18.69	delta mag (ΔM)	5.29	Spectral class
Pri motion ra	-121	Sec motion ra	-121
Pri motion dec	-223	Sec motion dec	-223
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Gaia DR2

6788797282844679936

WDS 21154-2842 LDS 4874 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21154-2842	LDS4874		2000	3	34	22.6	13.40	18.69		D	211526.70-284257.3
21154-2842	LDS4874		2010	4	34	22.5	13.40	18.69			211526.70-284257.3
21154-2842	LDS4874		2015	5	34	22.5	13.40	18.69			211526.70-284257.3
21154-2842	LDS4874		2016	7	34	22.5	13.40	18.69			211526.70-284257.3

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

WDS 21154-2842 LDS 4874 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21154-2842 LDS 4874 : MEASURES

No records found.

WDS 21154-2842 : VIRTUAL EYEPIECE

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WDS 21154-2842 : ALADIN DSS IMAGE @ 21^h 15^m 26.70^s -28° 42' 57.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21154-2842 LDS 4874 : 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		21154-2842	LDS4874		34	22.5	1
Show		21146-2849	LDS4872		276	62.7	14
Show		21169-2836	DAW 154		88	1.1	21
Show		21131-2850	BRT3096		93	4.3	32
Show		21140-2914	RST2173		11	1.3	37
Show		21149-2921	HDS3022		18	0.4	40
Show		21157-2803	BRT3099		298	4.4	41
Show		21161-2802	LDS5920		15	52.4	41
Show		21146-2935	B 2492			7.2	54
Show		21194-2831	B 523		212	0.8	54
Show		21181-2931	LDS 738	AB	182	27.4	60
Show		21181-2931	LDS 738	Aa,Ab	101	4.8	60
Show		21166-2746	BRT3100		168	7.1	60
Show		21111-2858	HU 85		141	2.9	60
Show		21140-2940	MET 91		161	1.9	60
Show		21205-2920	LDS5921		91	313.7	77
Show		21121-2735	HJ 3012		320	25.8	81
Show		21136-2725	LDS5919		214	219.6	81
Show		21212-2914	FIN 6		209	1.2	82
Show		21090-2829	DAW 153		279	3.6	87
Show		21094-2928	B 517		129	4.2	92
Show		21178-2714	STN 54		238	7.1	95
Show		21212-2744	HDS3040		65	0.3	96
Show		21200-2718	BU 252		88	2.1	105
Show		21192-3018	RST2176	AB	246	0.8	107
Show		21192-3018	WIS 348	AC	239	171.8	107
Show		21231-2806	HDS3047		103	0.1	107
Show		21210-2725	UC 4451		203	24.7	108
Show		21162-2651	RST2175		329	1.9	113
Show		21105-2711	BRG 32		314	9.4	113
Show		21140-2650	RST2174		11	0.6	115
Show		21121-3035	BU 251		232	1.8	121
Show		21125-2649	UC 4402		325	36.0	121
Show		21218-3014	UC 4457		240	34.7	123
Show		21145-3045	RSS 556		24	11.8	124
Show		21251-2831	LDS5923		208	33.3	130
Show		21111-3041	HJ 5248		319	5.3	131
Show		21181-2636	KPP 713		34	6.3	132
Show		21188-2637	SEE 443		295	1.3	134
Show		21076-3011	RST2172	AB	310	0.8	136
Show		21076-3011	SKF1252	AB,C	288	17.6	136
Show		21150-3059	RSS 557		339	55.4	137
Show		21229-2705	I 1441		159	1.8	140
Show		21064-3002	JSP 822		74	0.5	142
Show		21113-2632	TDT2811		96	0.7	143
Show		21061-2727	KPP1653		186	12.7	145
Show		21266-2839	TDT2970		278	0.6	147
Show		21209-3054	HJ 5263		93	27.9	150
Show		21198-2621	BU 271	AB	24	0.6	153
Show		21198-2621	BU 271	AC	67	141.7	153
Show		21198-2621	BU 271	AD	61	298.6	153

WDS 21154-2842 : COMPONENTS

	A
B	pa=30.1° sep=21.69"

21154-2842 A

Componente originario normalizzato	AB		Coord arcsec 2000	211526.70-284257.3		Mag	13.4		PmRA	-121.00
PmDE	-223.0

21154-2842 B

Componente originario normalizzato	AB		Coord arcsec 2000	211527.53-284238.5		Mag	18.69		PmRA	-121.00
PmDE	-223.0		Calc delta mag	5.29		Calc coord	yes