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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179861672 (SMSS J172721.69-202259.3)

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Data releaseDR4
RA (deg)261.840
Dec (deg)-20.383
Galactic lon. (deg)5.032
Galactic lat. (deg)8.072
E(B-V) (SFD98) (mag)0.778
E(B-V) (GNILC) (mag)0.591 ± 0.028
Nearest DR4 source 179861671 (6.1 arcs away)
2nd-nearest DR4 source 179861664 (7.5 arcs away)
3rd-nearest DR4 source 179861673 (9.3 arcs away)
Times observed34
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.653 ± 0.018 16.633 ± 0.013 15.774 ± 0.010 15.301 ± 0.011
Petrosian mag. — — 17.537 ± 0.053 16.578 ± 0.051 15.806 ± 0.037 15.379 ± 0.012

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)
g 20140719114908 17.693 ± 0.069 0,0 5 2
g 20140722114132 17.798 ± 0.069 0,0 5 2
g 20140729111106 17.694 ± 0.064 0,0 5 2
g 20160420170043 17.662 ± 0.095 0,0 5 2
g 20180605124544 17.746 ± 0.085 0,0 5 2
g 20190506165109 17.636 ± 0.027 3,0 100 2
g 20190507143127 17.624 ± 0.039 3,0 100 2
g 20190822094124 17.637 ± 0.039 3,0 100 2
g 20210407183532 17.753 ± 0.086 512,0 5 2
r 20140719114939 16.794 ± 0.050 0,0 5 2
r 20140722114203 16.658 ± 0.042 0,0 5 2
r 20140729111131 16.605 ± 0.04 0,0 5 2
r 20160420170109 16.692 ± 0.049 0,0 5 2
r 20190506165309 16.619 ± 0.031 3,0 100 2
r 20190507143327 16.618 ± 0.040 3,0 100 2
r 20190822094324 16.614 ± 0.041 3,0 100 2
r 20210407183558 16.654 ± 0.055 0,0 5 2
i 20140719115004 15.790 ± 0.035 0,0 10 2
i 20140722114229 15.765 ± 0.036 0,0 10 2
i 20140729111202 15.772 ± 0.034 0,0 10 2
i 20150901084153 15.771 ± 0.029 3,0 100 2
i 20150901084554 15.767 ± 0.033 3,0 100 2
i 20160420170134 15.822 ± 0.028 0,0 10 2
i 20180605124636 15.803 ± 0.035 0,0 10 2
i 20190508164002 15.788 ± 0.036 3,0 100 2
i 20190720124743 15.764 ± 0.071 27,9 100 2
i 20210407183626 15.792 ± 0.037 0,0 10 2
z 20140719115035 15.297 ± 0.035 0,0 20 2
z 20140722114259 15.293 ± 0.032 0,0 20 2
z 20140729111235 15.293 ± 0.034 0,0 20 2
z 20150901084353 15.304 ± 0.028 1,0 100 2
z 20150901084754 15.304 ± 0.032 0,0 100 2
z 20160420170204 15.335 ± 0.028 0,0 20 2
z 20180605124707 15.337 ± 0.029 0,0 20 2
z 20190508164202 15.313 ± 0.031 3,0 100 2
z 20190720124943 15.374 ± 0.065 16,0 100 2
z 20210407183658 15.314 ± 0.038 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.11 2.38
GAIA source ID 4121228722052177536 4121228726408728576
Bp mag. 17.450 21.083
G mag. 16.417 21.012
Rp mag. 15.412 19.600
Bp/Rp excess 1.342 2.225
Parallax (mas) 0.113 ± 0.076 -- ± --
PM RA (mas/yr) -4.168 ± 0.078 -- ± --
PM Dec (mas/yr) -3.019 ± 0.057 -- ± --
A.E.N. (mas) 0.0 ± 0.0 9.092 ± 2.924

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.641 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 13.852 ± 0.023
H 13.043 ± 0.024
K 12.876 ± 0.029
W1 12.663 ± 0.014
W2 12.85 ± 0.013
W3 11.948 ± --
W4 8.63 ± --
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.