Exposure
ID
GRAVI.2025-07-09T03:53:37.540_1
Header ID
GRAVI.2025-07-09T03:53:37.540
Date updated
2025-07-09 04:06:00 UTC+0000
Release date
2026-07-09 04:06:00 UTC+0000
UTC Start
2025-07-09 03:53:37.540
UTC End
2025-07-09 03:56:17.540
MJD Start
60865.16224005
MJD End
60865.164091901854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0064919999999999995
Ambient temperature (°C)
13.9
Seeing (arcsec)
0.515
Observation
ID
68450
Category
science
Program ID
115.28GH.001
Program Title
TEMPORAL MONITORING OF RU LUP WITH GRAVITY: HINT FOR A PUTATIVE PLANET
Program Type
Normal
PI / COI
SOULAIN / ROUSSELET-PERRAUT / BOUVIER / BENISTY / TESSORE / PANTOLMOS / DOUGADOS / ALECIAN / BERGER / LABADIE / NOWACKI
Target
ID
50885
Name
RU_Lup
RA
239.178271
DEC
-37.82098
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.1000 49.9260 40.5000 40.7000
U1-U3 89.1280 88.7490 47.4000 47.6000
U1-U4 109.1970 108.4840 80.0500 80.4370
U2-U3 39.8480 39.6420 56.1000 56.3000
U2-U4 77.4680 77.0270 104.3830 104.9200
U3-U4 59.0330 58.8850 134.6630 135.2580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GH.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60865.16224005
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178271
DEC -37.82098
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 50.1
HIERARCH ESO ISS PBL12 END 49.926
HIERARCH ESO ISS PBLA12 START 40.5
HIERARCH ESO ISS PBLA12 END 40.7
HIERARCH ESO ISS PBL13 START 89.128
HIERARCH ESO ISS PBL13 END 88.749
HIERARCH ESO ISS PBLA13 START 47.4
HIERARCH ESO ISS PBLA13 END 47.6
HIERARCH ESO ISS PBL14 START 109.197
HIERARCH ESO ISS PBL14 END 108.484
HIERARCH ESO ISS PBLA14 START 80.05
HIERARCH ESO ISS PBLA14 END 80.437
HIERARCH ESO ISS PBL23 START 39.848
HIERARCH ESO ISS PBL23 END 39.642
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 56.3
HIERARCH ESO ISS PBL24 START 77.468
HIERARCH ESO ISS PBL24 END 77.027
HIERARCH ESO ISS PBLA24 START 104.383
HIERARCH ESO ISS PBLA24 END 104.92
HIERARCH ESO ISS PBL34 START 59.033
HIERARCH ESO ISS PBL34 END 58.885
HIERARCH ESO ISS PBLA34 START 134.663
HIERARCH ESO ISS PBLA34 END 135.258
HIERARCH ESO ISS AMBI TAU0 START 0.006369
HIERARCH ESO ISS AMBI TAU0 END 0.006615
HIERARCH ESO ISS AMBI TEMP 13.9
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.5