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Asteroid 3884 Alferov

Alternate IDs:
1971 DY, 1979 QD4, 1980 TJ12, 1977 EM1, 1969 VL3

Data sets with data for Asteroid 3884 Alferov:

Asteroid 3884 Alferov (top)

2MASS Asteroid and Comet Survey V2.0 (1 data product)

J MAGNITUDE 2MASS * J band selected magnitude in the 2MASS survey, or if the source is not detected in the J-band, the 95% confidence upper limit derived from a 4 arcsec radius aperture measurement taken at the position of the source on the Atlas Image. (The Atlas Images are quick-look images suitable for deriving positional information but not accurate photometry.) The origin of the magnitude is given by the first character of the rd_flg value.
(MAGNITUDE)
J MAGNITUDE 2MASS UNC * Corrected photometric uncertainty for the J-band magnitude in the 2MASS survey. If rd_flg[1]=2, this is the measurement error from the profile-fitting procedure, corrected to be consistent with observed repeatability statistics. If rd_flg[1]=1 or 4, this is the RMS of the brightness measured in aperture photometry on the individual frames. If rd_flg=3, the uncertainty is derived from the residuals to the 1-d radial profile fit (averaging over azimuth) to the unsaturated wings of the bright source. If J_MAG_SIG > 8.0, it is a flag value indicating that a meaningful uncertainty could not be determined for the source. This column is null if the magnitude is a 95% confidence upper limit (rd_flg[1]=0 or 6) or if the source is not measurable (rd_flg[1]=9).
(MAGNITUDE)
H MAGNITUDE 2MASS * H band selected magnitude in the 2MASS survey, or if the source is not detected in the H-band, the 95% confidence upper limit derived from a 4 arcsec radius aperture measurement taken at the position of the source on the Atlas Image. (The Atlas Images are quick-look images suitable for deriving positional information but not accurate photometry.) The origin of the magnitude is given by the second character of the rd_flg value.
(MAGNITUDE)
H MAGNITUDE 2MASS UNC * Corrected photometric uncertainty for the H-band magnitude in the 2MASS survey. If rd_flg[2]=2, this is the measurement error from the profile-fitting procedure, corrected to be consistent with observed repeatability statistics. If rd_flg[2]=1 or 4, this is the RMS of the brightness measured in aperture photometry on the individual frames. If rd_flg=3, the uncertainty is derived from the residuals to the 1-d radial profile fit (averaging over azimuth) to the unsaturated wings of the bright source. If H_MAG_SIG > 8.0, it is a flag value indicating that a meaningful uncertainty could not be determined for the source. This column is null if the magnitude is a 95% confidence upper limit (rd_flg[2]=0 or 6) or if the source is not measurable (rd_flg[2]=9).
(MAGNITUDE)
KS MAGNITUDE 2MASS * Ks band selected magnitude in the 2MASS survey, or if the source is not detected in the Ks-band, the 95% confidence upper limit derived from a 4 arcsec radius aperture measurement taken at the position of the source on the Atlas Image. (The Atlas Images are quick-look images suitable for deriving positional information but not accurate photometry.) The origin of the magnitude is given by the third character of the rd_flg value.
(MAGNITUDE)
KS MAGNITUDE 2MASS UNC * Corrected photometric uncertainty for the Ks-band magnitude in the 2MASS survey. If rd_flg[3]=2, this is the measurement error from the profile-fitting procedure, corrected to be consistent with observed repeatability statistics. If rd_flg[3]=1 or 4, this is the RMS of the brightness measured in aperture photometry on the individual frames. If rd_flg=3, the uncertainty is derived from the residuals to the 1-d radial profile fit (averaging over azimuth) to the unsaturated wings of the bright source. If KS_MAG_SIG > 8.0, it is a flag value indicating that a meaningful uncertainty could not be determined for the source. This column is null if the magnitude is a 95% confidence upper limit (rd_flg[3]=0 or 6) or if the source is not measurable (rd_flg[3]=9).
(MAGNITUDE)
16.767 0.159 16.219 0.219 16.516

Asteroid 3884 Alferov (top)

Asteroid Names and Discovery V12.0 (1 data product)

Asteroid 3884 Alferov (top)

NEOWISE Diameters and Albedos V2.0 (1 data product)

ABSOLUTE VISUAL MAGNITUDE * IAU-adopted absolute V magnitude (H)
(magnitudes)
SLOPE PARAMETER * IAU-adopted slope parameter (G) OBSERVATION DATE * Date of observation
(day)
NEOWISE DIAMETER * NEOWISE best-fit effective spherical diameter, or assumed value if not fitted.
(kilometer)
NEOWISE DIAMETER UNCERTAINTY * NEOWISE unceratinty in the best-fit effective spherical diameter, or assumed value if not fitted.
(kilometer)
NEOWISE V ALBEDO * NEOWISE best-fit visible geometric albedo, or assumed value if not fitted. NEOWISE V ALBEDO UNCERTAINTY * NEOWISE uncertainty of the best-fit visible geometric albedo, or assumed value if not fitted. NEOWISE THERMAL BEAMING PARAMETER * NEOWISE best-fit NEATM thermal beaming parameter, or assumed value if not fitted. NEOWISE THERMAL BEAMING PARAMETER UNCERTAINTY * NEOWISE uncertainty of the best-fit NEATM thermal beaming parameter, or assumed value if not fitted. NEOWISE REFERENCE CODE * NEOWISE reference code to the original publication of fitted parameters. See the refrence.tab in the dataset for the full reference
12.70 +0.15 2455367.1997965 13.386 0.076 0.059 0.008 0.849 0.005 Mas11
13.00 +0.15 2456674.2579107 15.018 3.352 0.049 0.020 0.950 0.200 Nug15
13.00 +0.15 2456970.7122349 15.037 6.224 0.049 0.036 0.950 0.200 Nug15
13.10 +0.15 2457135.0773982 11.301 3.354 0.080 0.067 0.950 0.200 Nug16


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