Exposure
ID
GRAVI.2025-08-28T00:47:06.167_1
Header ID
GRAVI.2025-08-28T00:47:06.167
Date updated
2025-08-28 01:01:14 UTC+0000
Release date
2025-08-28 00:47:06 UTC+0000
UTC Start
2025-08-28 00:47:06.167
UTC End
2025-08-28 00:49:46.167
MJD Start
60915.03271027
MJD End
60915.03456212186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0026485
Ambient temperature (°C)
12.49
Seeing (arcsec)
1.19
Observation
ID
70095
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
52008
Name
HD_158619
RA
262.945934
DEC
-33.70334
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 48.5980 48.6070 158.3000 158.7000
A0-J2 126.6310 126.3510 101.0000 101.4000
A0-J6 164.5910 164.3490 32.3250 32.6050
B5-J2 108.3750 108.0700 78.8000 79.2000
B5-J6 197.1000 196.9300 20.8150 21.0980
J2-J6 167.2550 167.2910 347.4680 347.8250
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 60915.03271027
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.945934
DEC -33.70334
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 48.598
HIERARCH ESO ISS PBL12 END 48.607
HIERARCH ESO ISS PBLA12 START 158.3
HIERARCH ESO ISS PBLA12 END 158.7
HIERARCH ESO ISS PBL13 START 126.631
HIERARCH ESO ISS PBL13 END 126.351
HIERARCH ESO ISS PBLA13 START 101.0
HIERARCH ESO ISS PBLA13 END 101.4
HIERARCH ESO ISS PBL14 START 164.591
HIERARCH ESO ISS PBL14 END 164.349
HIERARCH ESO ISS PBLA14 START 32.325
HIERARCH ESO ISS PBLA14 END 32.605
HIERARCH ESO ISS PBL23 START 108.375
HIERARCH ESO ISS PBL23 END 108.07
HIERARCH ESO ISS PBLA23 START 78.8
HIERARCH ESO ISS PBLA23 END 79.2
HIERARCH ESO ISS PBL24 START 197.1
HIERARCH ESO ISS PBL24 END 196.93
HIERARCH ESO ISS PBLA24 START 20.815
HIERARCH ESO ISS PBLA24 END 21.098
HIERARCH ESO ISS PBL34 START 167.255
HIERARCH ESO ISS PBL34 END 167.291
HIERARCH ESO ISS PBLA34 START 347.468
HIERARCH ESO ISS PBLA34 END 347.825
HIERARCH ESO ISS AMBI TAU0 START 0.002642
HIERARCH ESO ISS AMBI TAU0 END 0.002655
HIERARCH ESO ISS AMBI TEMP 12.49
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19