Exposure
ID
GRAVI.2025-05-28T07:22:50.600_1
Header ID
GRAVI.2025-05-28T07:22:50.600
Date updated
2025-05-28 08:27:42 UTC+0000
Release date
2025-05-28 07:22:50 UTC+0000
UTC Start
2025-05-28 07:22:50.600
UTC End
2025-05-28 07:25:30.600
MJD Start
60823.30753009
MJD End
60823.30938194186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0052765
Ambient temperature (°C)
13.71
Seeing (arcsec)
1.21
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 90.4070 90.3530 115.1000 115.3000
A0-J2 129.1980 129.2270 92.3000 92.5000
A0-K0 127.4870 127.6100 70.7650 70.9800
G1-J2 57.7570 57.8300 54.9000 55.1000
G1-K0 89.1430 89.2260 25.6000 25.9060
J2-K0 47.9660 47.9480 349.5180 349.8340
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 60823.30753009
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 90.407
HIERARCH ESO ISS PBL12 END 90.353
HIERARCH ESO ISS PBLA12 START 115.1
HIERARCH ESO ISS PBLA12 END 115.3
HIERARCH ESO ISS PBL13 START 129.198
HIERARCH ESO ISS PBL13 END 129.227
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 127.487
HIERARCH ESO ISS PBL14 END 127.61
HIERARCH ESO ISS PBLA14 START 70.765
HIERARCH ESO ISS PBLA14 END 70.98
HIERARCH ESO ISS PBL23 START 57.757
HIERARCH ESO ISS PBL23 END 57.83
HIERARCH ESO ISS PBLA23 START 54.9
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 89.143
HIERARCH ESO ISS PBL24 END 89.226
HIERARCH ESO ISS PBLA24 START 25.6
HIERARCH ESO ISS PBLA24 END 25.906
HIERARCH ESO ISS PBL34 START 47.966
HIERARCH ESO ISS PBL34 END 47.948
HIERARCH ESO ISS PBLA34 START 349.518
HIERARCH ESO ISS PBLA34 END 349.834
HIERARCH ESO ISS AMBI TAU0 START 0.005465
HIERARCH ESO ISS AMBI TAU0 END 0.005088
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 1.16
HIERARCH ESO ISS AMBI FWHM END 1.26