Exposure
ID
GRAVI.2021-11-21T02:33:15.960_1
Header ID
GRAVI.2021-11-21T02:33:15.960
Date updated
2021-11-21 02:50:34 UTC+0000
Release date
2021-11-21 02:33:15 UTC+0000
UTC Start
2021-11-21 02:33:15.960
UTC End
2021-11-21 02:37:15.960
MJD Start
59539.10643472
MJD End
59539.1092124978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003261
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.875
Observation
ID
48488
Category
calibrator
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
36348
Name
HD8910
RA
22.002578
DEC
15.98791
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8750 67.7210 269.6000 269.3000
K0-D0 95.3140 95.4930 254.0000 253.7000
K0-J3 44.1940 43.8600 327.9590 328.3620
G2-D0 35.0280 35.2590 222.7000 222.8000
G2-J3 58.4550 58.8200 49.4710 49.4780
D0-J3 93.3290 93.9290 46.9290 46.9740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59539.10643472
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD8910
HIERARCH ESO INS SOBJ NAME HD8910
RA 22.002578
DEC 15.98791
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.875
HIERARCH ESO ISS PBL12 END 67.721
HIERARCH ESO ISS PBLA12 START 269.6
HIERARCH ESO ISS PBLA12 END 269.3
HIERARCH ESO ISS PBL13 START 95.314
HIERARCH ESO ISS PBL13 END 95.493
HIERARCH ESO ISS PBLA13 START 254.0
HIERARCH ESO ISS PBLA13 END 253.7
HIERARCH ESO ISS PBL14 START 44.194
HIERARCH ESO ISS PBL14 END 43.86
HIERARCH ESO ISS PBLA14 START 327.959
HIERARCH ESO ISS PBLA14 END 328.362
HIERARCH ESO ISS PBL23 START 35.028
HIERARCH ESO ISS PBL23 END 35.259
HIERARCH ESO ISS PBLA23 START 222.7
HIERARCH ESO ISS PBLA23 END 222.8
HIERARCH ESO ISS PBL24 START 58.455
HIERARCH ESO ISS PBL24 END 58.82
HIERARCH ESO ISS PBLA24 START 49.471
HIERARCH ESO ISS PBLA24 END 49.478
HIERARCH ESO ISS PBL34 START 93.329
HIERARCH ESO ISS PBL34 END 93.929
HIERARCH ESO ISS PBLA34 START 46.929
HIERARCH ESO ISS PBLA34 END 46.974
HIERARCH ESO ISS AMBI TAU0 START 0.003289
HIERARCH ESO ISS AMBI TAU0 END 0.003233
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 1.05