Exposure
ID
GRAVI.2025-06-18T05:36:03.127_1
Header ID
GRAVI.2025-06-18T05:36:03.127
Date updated
2025-06-18 05:47:28 UTC+0000
Release date
2025-06-18 05:36:03 UTC+0000
UTC Start
2025-06-18 05:36:03.127
UTC End
2025-06-18 05:38:43.127
MJD Start
60844.23336953
MJD End
60844.23522138185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0023499999999999997
Ambient temperature (°C)
6.24
Seeing (arcsec)
1.08
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 90.4120 90.4540 113.6000 113.8000
A0-J2 128.2010 128.3960 90.8000 91.0000
A0-K0 125.8160 126.0830 68.9680 69.2020
G1-J2 56.9480 57.0670 52.8000 53.0000
G1-K0 88.4080 88.5020 23.0300 23.3600
J2-K0 48.1250 48.1050 347.0850 347.3770
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 60844.23336953
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 90.412
HIERARCH ESO ISS PBL12 END 90.454
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 128.201
HIERARCH ESO ISS PBL13 END 128.396
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 91.0
HIERARCH ESO ISS PBL14 START 125.816
HIERARCH ESO ISS PBL14 END 126.083
HIERARCH ESO ISS PBLA14 START 68.968
HIERARCH ESO ISS PBLA14 END 69.202
HIERARCH ESO ISS PBL23 START 56.948
HIERARCH ESO ISS PBL23 END 57.067
HIERARCH ESO ISS PBLA23 START 52.8
HIERARCH ESO ISS PBLA23 END 53.0
HIERARCH ESO ISS PBL24 START 88.408
HIERARCH ESO ISS PBL24 END 88.502
HIERARCH ESO ISS PBLA24 START 23.03
HIERARCH ESO ISS PBLA24 END 23.36
HIERARCH ESO ISS PBL34 START 48.125
HIERARCH ESO ISS PBL34 END 48.105
HIERARCH ESO ISS PBLA34 START 347.085
HIERARCH ESO ISS PBLA34 END 347.377
HIERARCH ESO ISS AMBI TAU0 START 0.002286
HIERARCH ESO ISS AMBI TAU0 END 0.002414
HIERARCH ESO ISS AMBI TEMP 6.24
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08