Exposure
ID
GRAVI.2025-06-17T07:02:07.801_1
Header ID
GRAVI.2025-06-17T07:02:07.801
Date updated
2025-06-17 07:11:28 UTC+0000
Release date
2025-06-17 07:02:07 UTC+0000
UTC Start
2025-06-17 07:02:07.801
UTC End
2025-06-17 07:04:47.801
MJD Start
60843.29314585
MJD End
60843.29499770186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0021685000000000003
Ambient temperature (°C)
7.03
Seeing (arcsec)
1.025
Observation
ID
68145
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
50653
Name
eps_Sgr
RA
276.040029
DEC
-34.38532
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 88.3030 88.1400 130.4000 131.0000
A0-J2 121.9300 121.4890 107.3000 107.8000
A0-K0 117.9440 117.4110 84.2280 84.6200
G1-J2 53.5020 53.2740 66.9000 67.2000
G1-K0 85.4260 85.2370 35.9520 36.1960
J2-K0 48.1650 48.1630 1.1220 1.4530
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 60843.29314585
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Sgr
HIERARCH ESO INS SOBJ NAME eps_Sgr
RA 276.040029
DEC -34.38532
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 88.303
HIERARCH ESO ISS PBL12 END 88.14
HIERARCH ESO ISS PBLA12 START 130.4
HIERARCH ESO ISS PBLA12 END 131.0
HIERARCH ESO ISS PBL13 START 121.93
HIERARCH ESO ISS PBL13 END 121.489
HIERARCH ESO ISS PBLA13 START 107.3
HIERARCH ESO ISS PBLA13 END 107.8
HIERARCH ESO ISS PBL14 START 117.944
HIERARCH ESO ISS PBL14 END 117.411
HIERARCH ESO ISS PBLA14 START 84.228
HIERARCH ESO ISS PBLA14 END 84.62
HIERARCH ESO ISS PBL23 START 53.502
HIERARCH ESO ISS PBL23 END 53.274
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 67.2
HIERARCH ESO ISS PBL24 START 85.426
HIERARCH ESO ISS PBL24 END 85.237
HIERARCH ESO ISS PBLA24 START 35.952
HIERARCH ESO ISS PBLA24 END 36.196
HIERARCH ESO ISS PBL34 START 48.165
HIERARCH ESO ISS PBL34 END 48.163
HIERARCH ESO ISS PBLA34 START 1.122
HIERARCH ESO ISS PBLA34 END 1.453
HIERARCH ESO ISS AMBI TAU0 START 0.002194
HIERARCH ESO ISS AMBI TAU0 END 0.002143
HIERARCH ESO ISS AMBI TEMP 7.03
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 1.06