Exposure
ID
GRAVI.2021-01-04T00:55:36.387_1
Header ID
GRAVI.2021-01-04T00:55:36.387
Date updated
2021-01-04 01:01:01 UTC+0000
Release date
2021-01-04 01:01:01 UTC+0000
UTC Start
2021-01-04 00:55:36.387
UTC End
2021-01-04 00:55:39.387
MJD Start
59218.03861559
MJD End
59218.0386503122
Exposure time (s)
3.0
Validation level
1
Tau 0: Coherence time (s)
0.007973
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.73
Observation
ID
46109
Category
science
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY, P
Target
ID
34728
Name
HD22487
RA
53.887051
DEC
-35.86948
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.0460 56.0430 23.3000 23.3000
U1-U3 101.7580 101.7530 29.6000 29.6000
U1-U4 130.1970 130.1950 57.0840 57.1180
U2-U3 46.4560 46.4540 37.2000 37.2000
U2-U4 89.2430 89.2480 77.5290 77.5640
U3-U4 61.6800 61.6880 106.7250 106.7570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59218.03861559
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD022487
HIERARCH ESO INS SOBJ NAME HD22487
RA 53.887051
DEC -35.86948
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 18.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 56.046
HIERARCH ESO ISS PBL12 END 56.043
HIERARCH ESO ISS PBLA12 START 23.3
HIERARCH ESO ISS PBLA12 END 23.3
HIERARCH ESO ISS PBL13 START 101.758
HIERARCH ESO ISS PBL13 END 101.753
HIERARCH ESO ISS PBLA13 START 29.6
HIERARCH ESO ISS PBLA13 END 29.6
HIERARCH ESO ISS PBL14 START 130.197
HIERARCH ESO ISS PBL14 END 130.195
HIERARCH ESO ISS PBLA14 START 57.084
HIERARCH ESO ISS PBLA14 END 57.118
HIERARCH ESO ISS PBL23 START 46.456
HIERARCH ESO ISS PBL23 END 46.454
HIERARCH ESO ISS PBLA23 START 37.2
HIERARCH ESO ISS PBLA23 END 37.2
HIERARCH ESO ISS PBL24 START 89.243
HIERARCH ESO ISS PBL24 END 89.248
HIERARCH ESO ISS PBLA24 START 77.529
HIERARCH ESO ISS PBLA24 END 77.564
HIERARCH ESO ISS PBL34 START 61.68
HIERARCH ESO ISS PBL34 END 61.688
HIERARCH ESO ISS PBLA34 START 106.725
HIERARCH ESO ISS PBLA34 END 106.757
HIERARCH ESO ISS AMBI TAU0 START 0.007973
HIERARCH ESO ISS AMBI TAU0 END 0.007973
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73