15252+2734 AZC 90

15^h 25^m 09.29^s +27° 33' 59.5" P.A. 130.00 sep 7.8 mag 16.80,19.10 Sp M2+M4

Coord 2000	15252+2734	Discov num	AZC 90	Comp		Coord arcsec 2000	15 25 09.29 +27 33 59.5
Date first	1987	Date last	2016	Obs	8
Pa first	129	Pa last	130	P.A. Now (θ)	130°
Sep first	7.7	Sep last	7.82	Sep. Now (ρ)	7.82"
Mag pri	16.80	Mag sec	19.10	delta mag (ΔM)	2.3	Spectral class	M2+M4 (red/red)
Pri motion ra	+029	Sec motion ra	+029
Pri motion dec	-081	Sec motion dec	-075
Notes	V (Proper motion indicates physical)

rPM=0.07 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corona Borealis

Gaia DR2

1270973289240609024

WDS 15252+2734 AZC 90 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Azc2012	C u	Azcona, A.A.	2012OED.....8..103A
Azc2012		El Observador de Estrellas Dobles, Issue #8, 103, 2012
Azc2012b	E2 j	Azcona, A.A.	2012OED.....9...24A
Azc2012b		El Observador de Estrellas Dobles, Issue #9, 24, 2012
Azc2012c	Pp -	Azcona, A.A.	2012OED.....9...66A
Azc2012c	+C	El Observador de Estrellas Dobles, Issue #9, 66, 2012
Azc2012c	+E2
Azc2013	P w	Azcona, A.A.	2013OED....10...77A
Azc2013	+C	El Observador de Estrellas Dobles, Issue #10, 77, 2013
Azc2013	+E+	(some data published in Azc2012b)
Azc2013b	E2 u	Azcona, A.A.	2013OED....11...13A
Azc2013b		El Observador de Estrellas Dobles, Issue #11, 13, 2013
Azc2018	Hg j	Azcona, A.A.	2018OED....21...10A
Azc2018		El Observador de Estrellas Dobles, Issue #21, 10, 2018
Azc2020a	C j	Azcona, A.A.	2020OED....25...20A
Azc2020a		El Observador de Estrellas Dobles, Issue #25, 20, 2020
Azc2020b	Hg j	Azcona, A.A.	2020OED....25...48A
Azc2020b		El Observador de Estrellas Dobles, Issue #25, 48, 2020

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15252+2734	AZC 90		1999	1	130	7.8	16.80	19.10		V	152509.29+273359.5
15252+2734	AZC 90		2003	2	130	7.8	16.80	19.10	M2+M4	V	152509.29+273359.5
15252+2734	AZC 90		2010	3	129	7.5	16.80	19.10	M2+M4	V	152509.29+273359.5
15252+2734	AZC 90		2015	3	130	7.8	16.80	19.10	M2+M4	V	152509.29+273359.5
15252+2734	AZC 90		2016	7	130	7.8	16.80	19.10	M2+M4	V	152509.29+273359.5

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

WDS 15252+2734 AZC 90 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15252+2734 AZC 90 : MEASURES

No records found.

WDS 15252+2734 : VIRTUAL EYEPIECE

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WDS 15252+2734 : ALADIN DSS IMAGE @ 15^h 25^m 09.29^s +27° 33' 59.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15252+2734 AZC 90 : 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		15252+2734	AZC 90		130	7.8
Show		15266+2749	UC 3004		130	6.8	26
Show		15268+2719	AZC 91		257	13.7	28
Show		15241+2814	TDS9506		31	0.4	43
Show		15212+2745	LDS4544		184	59.6	54
Show		15219+2807	GIC 127	AB	255	212.7	55
Show		15219+2807	LMP 10	AC	240	87.9	55
Show		15219+2807	LMP 10	AD	262	132.9	55
Show		15226+2652	KPP1539		243	11.6	55
Show		15257+2638	STF1941		212	1.4	57
Show		15211+2702	STF1936		231	19.8	63
Show		15303+2739	STF1951		293	17.4	70
Show		15268+2840	COU 484		83	0.3	70
Show		15210+2651	SLW1083		122	93.6	71
Show		15232+2628	TDS 772		357	1.0	71
Show		15307+2805	COU 796		112	0.4	80
Show		15311+2747	J 3321		228	4.4	81
Show		15208+2638	LDS4543		234	64.1	82
Show		15279+2902	TDS9523		52	1.2	95
Show		15314+2646	CVR 790		48	13.4	97
Show	Nusakan	15278+2906	JEF 1		140	0.3	99
Show		15232+2909	TDS9502		288	0.7	99
Show		15183+2650	CHR 45	Aa,Ab	66	0.3	101
Show		15183+2650	STF1932	AB	267	1.6	101
Show		15298+2857	YSC 223		258	0.3	104
Show		15242+2920	CVR1627		53	3.5	107
Show		15182+2642	CVR 782		56	9.3	107
Show		15186+2842	TDS9476		313	1.0	111
Show		15197+2859	LDS5170		270	31.2	113
Show		15175+2647	KPP3951		30	2.6	113
Show		15283+2920	CVR 166		57	13.0	114
Show		15171+2650	HEI 6		5	2.3	116
Show		15319+2851	TSN 173		13	0.1	118
Show		15248+2934	KZA 87		359	11.7	121
Show		15224+2537	HJ 2777		342	42.6	123
Show		15308+2913	CVR 789	BC	170	8.2	125
Show		15339+2643	STF1955	AB	237	7.8	128
Show		15339+2643	TAR 2	AC	35	20.5	128
Show		15175+2619	COU 483		176	0.7	128
Show		15245+2527	LDS4549		116	29.9	128
Show		15215+2933	LDS4546		88	333.3	129
Show		15314+2556	SLW1102		274	10.1	130
Show		15189+2915	LDS5168		193	62.7	132
Show		15211+2534	GRV 903	AB	243	69.2	132
Show		15211+2534	LSC 150	Aa,Ab	288	0.1	132
Show		15171+2851	BGH 57		41	575.6	132
Show		15346+2653	UC 3029		290	54.6	133
Show		15347+2655	COU 798		211	0.2	133
Show		15283+2943	KZA 91		215	30.9	135
Show		15177+2910	LDS5166		223	10.3	138
Show		15300+2530	STF1950		91	3.3	140

WDS 15252+2734 : COMPONENTS

	A
B	pa=133.4° sep=7.31"

15252+2734 A

Componente originario normalizzato	AB		Coord arcsec 2000	152509.29+273359.5		Mag	16.8		Spectral class	M2 (red)
PmRA	29.00		PmDE	-81.0

15252+2734 B

Componente originario normalizzato	AB		Coord arcsec 2000	152509.69+273354.5		Mag	19.1		Spectral class	M4 (red)
PmRA	29.00		PmDE	-75.0		Calc delta mag	2.3		Calc coord	yes