Exposure
ID
GRAVI.2025-05-28T07:32:50.625_1
Header ID
GRAVI.2025-05-28T07:32:50.625
Date updated
2025-05-28 08:27:42 UTC+0000
Release date
2025-05-28 07:32:50 UTC+0000
UTC Start
2025-05-28 07:32:50.625
UTC End
2025-05-28 07:35:30.625
MJD Start
60823.31447483
MJD End
60823.31632668185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004847
Ambient temperature (°C)
13.66
Seeing (arcsec)
1.07
Observation
ID
67612
Category
calibrator
Program ID
115.27VK.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
Target
ID
50283
Name
HD_179130
RA
287.977144
DEC
-14.58451
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.1770 90.0840 115.8000 116.0000
A0-J2 129.2140 129.1750 92.9000 93.1000
A0-K0 127.8350 127.8990 71.4600 71.6440
G1-J2 57.9800 58.0330 55.7000 55.9000
G1-K0 89.4170 89.4930 26.6000 26.8720
J2-K0 47.9050 47.8880 350.5730 350.8740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60823.31447483
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977144
DEC -14.58451
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.177
HIERARCH ESO ISS PBL12 END 90.084
HIERARCH ESO ISS PBLA12 START 115.8
HIERARCH ESO ISS PBLA12 END 116.0
HIERARCH ESO ISS PBL13 START 129.214
HIERARCH ESO ISS PBL13 END 129.175
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 127.835
HIERARCH ESO ISS PBL14 END 127.899
HIERARCH ESO ISS PBLA14 START 71.46
HIERARCH ESO ISS PBLA14 END 71.644
HIERARCH ESO ISS PBL23 START 57.98
HIERARCH ESO ISS PBL23 END 58.033
HIERARCH ESO ISS PBLA23 START 55.7
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 89.417
HIERARCH ESO ISS PBL24 END 89.493
HIERARCH ESO ISS PBLA24 START 26.6
HIERARCH ESO ISS PBLA24 END 26.872
HIERARCH ESO ISS PBL34 START 47.905
HIERARCH ESO ISS PBL34 END 47.888
HIERARCH ESO ISS PBLA34 START 350.573
HIERARCH ESO ISS PBLA34 END 350.874
HIERARCH ESO ISS AMBI TAU0 START 0.005081
HIERARCH ESO ISS AMBI TAU0 END 0.004613
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.04