Exposure
ID
GRAVI.2025-11-29T04:51:07.048_1
Header ID
GRAVI.2025-11-29T04:51:07.048
Date updated
2025-11-29 05:01:16 UTC+0000
Release date
2025-11-29 04:51:07 UTC+0000
UTC Start
2025-11-29 04:51:07.048
UTC End
2025-11-29 04:53:47.048
MJD Start
61008.20216491
MJD End
61008.204016761854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0123865
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.56
Observation
ID
71893
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING 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 / ERCOLINO / JANIK
Target
ID
48242
Name
HD_57478
RA
110.241635
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 47.4460 47.5270 142.0000 142.0000
A0-J2 101.8690 102.8460 81.8000 82.1000
A0-J6 159.1230 159.2020 5.9480 6.3950
B5-J2 88.4130 89.1070 54.1000 54.6000
B5-J6 196.0580 196.0210 356.2780 356.6370
J2-J6 166.7060 166.8320 329.6100 329.7190
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61008.20216491
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241635
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 47.446
HIERARCH ESO ISS PBL12 END 47.527
HIERARCH ESO ISS PBLA12 START 142.0
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 101.869
HIERARCH ESO ISS PBL13 END 102.846
HIERARCH ESO ISS PBLA13 START 81.8
HIERARCH ESO ISS PBLA13 END 82.1
HIERARCH ESO ISS PBL14 START 159.123
HIERARCH ESO ISS PBL14 END 159.202
HIERARCH ESO ISS PBLA14 START 5.948
HIERARCH ESO ISS PBLA14 END 6.395
HIERARCH ESO ISS PBL23 START 88.413
HIERARCH ESO ISS PBL23 END 89.107
HIERARCH ESO ISS PBLA23 START 54.1
HIERARCH ESO ISS PBLA23 END 54.6
HIERARCH ESO ISS PBL24 START 196.058
HIERARCH ESO ISS PBL24 END 196.021
HIERARCH ESO ISS PBLA24 START 356.278
HIERARCH ESO ISS PBLA24 END 356.637
HIERARCH ESO ISS PBL34 START 166.706
HIERARCH ESO ISS PBL34 END 166.832
HIERARCH ESO ISS PBLA34 START 329.61
HIERARCH ESO ISS PBLA34 END 329.719
HIERARCH ESO ISS AMBI TAU0 START 0.011265
HIERARCH ESO ISS AMBI TAU0 END 0.013508
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57