Exposure
ID
GRAVI.2025-11-28T04:25:37.765_1
Header ID
GRAVI.2025-11-28T04:25:37.765
Date updated
2025-11-28 04:35:52 UTC+0000
Release date
2025-11-28 04:25:37 UTC+0000
UTC Start
2025-11-28 04:25:37.765
UTC End
2025-11-28 04:28:17.765
MJD Start
61007.18446487
MJD End
61007.186316721854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006073
Ambient temperature (°C)
15.11
Seeing (arcsec)
0.765
Observation
ID
71884
Category
calibrator
Program ID
116.28P0.001
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 / ERCOLINO / JANIK
Target
ID
53365
Name
HD_39685
RA
88.564905
DEC
3.22534
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 47.9510 47.8860 143.4000 143.4000
A0-J2 117.9170 118.5870 94.3000 94.2000
A0-J6 139.1640 139.5250 16.5990 17.0490
B5-J2 93.8180 94.5580 71.5000 71.6000
B5-J6 172.2110 172.3040 3.7130 4.1220
J2-J6 162.0470 161.7710 331.2970 331.4340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.18446487
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 39685
HIERARCH ESO INS SOBJ NAME HD_39685
RA 88.564905
DEC 3.22534
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 47.951
HIERARCH ESO ISS PBL12 END 47.886
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.4
HIERARCH ESO ISS PBL13 START 117.917
HIERARCH ESO ISS PBL13 END 118.587
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.2
HIERARCH ESO ISS PBL14 START 139.164
HIERARCH ESO ISS PBL14 END 139.525
HIERARCH ESO ISS PBLA14 START 16.599
HIERARCH ESO ISS PBLA14 END 17.049
HIERARCH ESO ISS PBL23 START 93.818
HIERARCH ESO ISS PBL23 END 94.558
HIERARCH ESO ISS PBLA23 START 71.5
HIERARCH ESO ISS PBLA23 END 71.6
HIERARCH ESO ISS PBL24 START 172.211
HIERARCH ESO ISS PBL24 END 172.304
HIERARCH ESO ISS PBLA24 START 3.713
HIERARCH ESO ISS PBLA24 END 4.122
HIERARCH ESO ISS PBL34 START 162.047
HIERARCH ESO ISS PBL34 END 161.771
HIERARCH ESO ISS PBLA34 START 331.297
HIERARCH ESO ISS PBLA34 END 331.434
HIERARCH ESO ISS AMBI TAU0 START 0.006646
HIERARCH ESO ISS AMBI TAU0 END 0.0055
HIERARCH ESO ISS AMBI TEMP 15.11
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.85