Exposure
ID
GRAVI.2025-01-08T01:52:43.904_1
Header ID
GRAVI.2025-01-08T01:52:43.904
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-01-08 01:52:43 UTC+0000
UTC Start
2025-01-08 01:52:43.904
UTC End
2025-01-08 01:55:23.904
MJD Start
60683.07828593
MJD End
60683.08013778186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0039125
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.915
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
JADLOVSKY / 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 46.8120 46.9140 141.7000 141.7000
A0-J2 94.8300 95.9040 79.9000 80.2000
A0-J6 158.7330 158.7730 2.8710 3.3250
B5-J2 83.5880 84.3040 50.3000 50.9000
B5-J6 196.4060 196.3450 353.8470 354.2010
J2-J6 165.6530 165.8280 328.9670 329.0500
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 60683.07828593
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 46.812
HIERARCH ESO ISS PBL12 END 46.914
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 141.7
HIERARCH ESO ISS PBL13 START 94.83
HIERARCH ESO ISS PBL13 END 95.904
HIERARCH ESO ISS PBLA13 START 79.9
HIERARCH ESO ISS PBLA13 END 80.2
HIERARCH ESO ISS PBL14 START 158.733
HIERARCH ESO ISS PBL14 END 158.773
HIERARCH ESO ISS PBLA14 START 2.871
HIERARCH ESO ISS PBLA14 END 3.325
HIERARCH ESO ISS PBL23 START 83.588
HIERARCH ESO ISS PBL23 END 84.304
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 196.406
HIERARCH ESO ISS PBL24 END 196.345
HIERARCH ESO ISS PBLA24 START 353.847
HIERARCH ESO ISS PBLA24 END 354.201
HIERARCH ESO ISS PBL34 START 165.653
HIERARCH ESO ISS PBL34 END 165.828
HIERARCH ESO ISS PBLA34 START 328.967
HIERARCH ESO ISS PBLA34 END 329.05
HIERARCH ESO ISS AMBI TAU0 START 0.003552
HIERARCH ESO ISS AMBI TAU0 END 0.004273
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.84