Exposure
ID
GRAVI.2025-05-27T03:52:32.685_1
Header ID
GRAVI.2025-05-27T03:52:32.685
Date updated
2025-05-27 04:01:03 UTC+0000
Release date
2026-05-27 04:01:03 UTC+0000
UTC Start
2025-05-27 03:52:32.685
UTC End
2025-05-27 03:55:12.685
MJD Start
60822.16148941
MJD End
60822.163341261854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0024879999999999998
Ambient temperature (°C)
12.44
Seeing (arcsec)
0.7250000000000001
Observation
ID
67604
Category
science
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
50276
Name
HD_319775
RA
260.496087
DEC
-37.52106
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 80.7260 81.1340 100.0000 100.4000
A0-J2 119.1420 119.6310 74.8000 75.3000
A0-K0 123.2600 123.5380 52.9900 53.5370
G1-J2 57.5070 57.5640 38.1000 38.6000
G1-K0 90.2510 90.2370 12.1120 12.5210
J2-K0 46.0700 46.1270 338.9440 339.2090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60822.16148941
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 319775
HIERARCH ESO INS SOBJ NAME HD_319775
RA 260.496087
DEC -37.52106
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 80.726
HIERARCH ESO ISS PBL12 END 81.134
HIERARCH ESO ISS PBLA12 START 100.0
HIERARCH ESO ISS PBLA12 END 100.4
HIERARCH ESO ISS PBL13 START 119.142
HIERARCH ESO ISS PBL13 END 119.631
HIERARCH ESO ISS PBLA13 START 74.8
HIERARCH ESO ISS PBLA13 END 75.3
HIERARCH ESO ISS PBL14 START 123.26
HIERARCH ESO ISS PBL14 END 123.538
HIERARCH ESO ISS PBLA14 START 52.99
HIERARCH ESO ISS PBLA14 END 53.537
HIERARCH ESO ISS PBL23 START 57.507
HIERARCH ESO ISS PBL23 END 57.564
HIERARCH ESO ISS PBLA23 START 38.1
HIERARCH ESO ISS PBLA23 END 38.6
HIERARCH ESO ISS PBL24 START 90.251
HIERARCH ESO ISS PBL24 END 90.237
HIERARCH ESO ISS PBLA24 START 12.112
HIERARCH ESO ISS PBLA24 END 12.521
HIERARCH ESO ISS PBL34 START 46.07
HIERARCH ESO ISS PBL34 END 46.127
HIERARCH ESO ISS PBLA34 START 338.944
HIERARCH ESO ISS PBLA34 END 339.209
HIERARCH ESO ISS AMBI TAU0 START 0.002719
HIERARCH ESO ISS AMBI TAU0 END 0.002257
HIERARCH ESO ISS AMBI TEMP 12.44
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.78