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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179852540 (SMSS J172755.59-203746.0)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.982
Dec (deg)-20.629
Galactic lon. (deg)4.896
Galactic lat. (deg)7.827
E(B-V) (SFD98) (mag)0.860
E(B-V) (GNILC) (mag)0.782 ± 0.037
Nearest DR4 source 179852531 (5.4 arcs away)
2nd-nearest DR4 source 179852541 (9.0 arcs away)
3rd-nearest DR4 source 179852530 (12.9 arcs away)
Times observed18
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 17.705 ± 0.020 16.799 ± 0.013 16.274 ± 0.014
Petrosian mag. 17.916 ± 0.033 16.989 ± 0.025 16.440 ± 0.029

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
r 20140722114203 17.644 ± 0.077 0,0 5 2
r 20160420170109 17.767 ± 0.114 16,0 5 2
r 20160420172325 17.945 ± 0.130 512,0 5 2
r 20190505165926 17.693 ± 0.035 3,0 100 2
r 20190506165309 17.690 ± 0.032 3,0 100 2
i 20140719115004 16.827 ± 0.057 3,0 10 2
i 20140722114229 16.835 ± 0.052 3,0 10 2
i 20150901084153 16.771 ± 0.033 3,0 100 2
i 20150901084554 17.145 ± 0.033 24,0 100 2
i 20160420170134 16.878 ± 0.060 19,0 10 2
i 20160420172350 16.802 ± 0.060 0,0 10 2
i 20190505170526 16.779 ± 0.034 3,0 100 2
i 20190509140533 16.795 ± 0.052 3,0 100 2
i 20210407183626 16.719 ± 0.058 3,0 10 2
z 20140719115035 16.258 ± 0.051 3,0 20 2
z 20140722114259 16.305 ± 0.044 1,0 20 2
z 20150901084353 16.232 ± 0.035 3,0 100 2
z 20150901084754 16.553 ± 0.035 24,0 100 2
z 20160420170204 16.274 ± 0.047 19,0 20 2
z 20160420172420 16.401 ± 0.052 0,0 20 2
z 20190505170726 16.273 ± 0.035 3,0 100 2
z 20190508164202 16.226 ± 0.035 3,0 100 2
z 20190509140733 16.294 ± 0.056 3,0 100 2
z 20210407183658 16.241 ± 0.053 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.29 1.81
GAIA source ID 4121033627459115136 4121033631786553216
Bp mag. 18.633 20.617
G mag. 17.544 19.734
Rp mag. 16.442 18.793
Bp/Rp excess 1.427 1.323
Parallax (mas) -0.001 ± 0.115 -0.064 ± 0.727
PM RA (mas/yr) -1.744 ± 0.129 -3.941 ± 0.769
PM Dec (mas/yr) -8.884 ± 0.094 -1.763 ± 0.544
A.E.N. (mas) 0.000 ± 0.000 2.012 ± 3.531

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.650 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 14.735 ± 0.032
H 13.936 ± 0.033
K 13.626 ± 0.038
W1 13.670 ± 0.020
W2 13.869 ± 0.019
W3 -- ± --
W4 -- ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.