Exposure
ID
GRAVI.2025-01-08T01:42:34.879_1
Header ID
GRAVI.2025-01-08T01:42:34.879
Date updated
2025-01-08 01:50:46 UTC+0000
Release date
2025-01-08 01:42:34 UTC+0000
UTC Start
2025-01-08 01:42:34.879
UTC End
2025-01-08 01:45:14.879
MJD Start
60683.07123702
MJD End
60683.07308887185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003898
Ambient temperature (°C)
15.12
Seeing (arcsec)
0.815
Observation
ID
63094
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
47004
Name
HD_57478
RA
110.241636
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.4410 46.5520 141.7000 141.7000
A0-J2 91.0300 92.1480 78.9000 79.2000
A0-J6 158.6390 158.6590 1.3030 1.7580
B5-J2 81.1100 81.8300 48.2000 48.9000
B5-J6 196.6400 196.5680 352.6360 352.9860
J2-J6 164.9920 165.1930 328.7110 328.7810
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60683.07123702
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241636
DEC -14.36049
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 46.441
HIERARCH ESO ISS PBL12 END 46.552
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 141.7
HIERARCH ESO ISS PBL13 START 91.03
HIERARCH ESO ISS PBL13 END 92.148
HIERARCH ESO ISS PBLA13 START 78.9
HIERARCH ESO ISS PBLA13 END 79.2
HIERARCH ESO ISS PBL14 START 158.639
HIERARCH ESO ISS PBL14 END 158.659
HIERARCH ESO ISS PBLA14 START 1.303
HIERARCH ESO ISS PBLA14 END 1.758
HIERARCH ESO ISS PBL23 START 81.11
HIERARCH ESO ISS PBL23 END 81.83
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 196.64
HIERARCH ESO ISS PBL24 END 196.568
HIERARCH ESO ISS PBLA24 START 352.636
HIERARCH ESO ISS PBLA24 END 352.986
HIERARCH ESO ISS PBL34 START 164.992
HIERARCH ESO ISS PBL34 END 165.193
HIERARCH ESO ISS PBLA34 START 328.711
HIERARCH ESO ISS PBLA34 END 328.781
HIERARCH ESO ISS AMBI TAU0 START 0.004261
HIERARCH ESO ISS AMBI TAU0 END 0.003535
HIERARCH ESO ISS AMBI TEMP 15.12
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.77