Exposure
- ID
- GRAVI.2025-07-17T05:17:21.857_2
- Header ID
- GRAVI.2025-07-17T05:17:21.857
- Date updated
- 2025-07-17 05:31:24 UTC+0000
- Release date
- 2026-07-17 05:31:23 UTC+0000
- UTC Start
- 2025-07-17 05:17:21.857
- UTC End
- 2025-07-17 05:21:21.857
- MJD Start
- 60873.22039186
- MJD End
- 60873.22316963778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065214999999999995
- Ambient temperature (°C)
- 13.77
- Seeing (arcsec)
- 0.53
Observation
- ID
- 68838
- Category
- science
- Program ID
- 113.26EQ.003
- Program Title
- USING GRAVITY TO STUDY STAR-DISK INTERACTION
- Program Type
- Monitoring
- PI / COI
- GINSKI / BOURDAROT / PINILLA / BENISTY / MANARA / RIBAS / LACOUR / NOWAK / VIGAN / WANG / BALMER / MURPHY
Target
- ID
- 51209
- Name
- KK_Oph
- RA
- 257.5337916666666
- DEC
- -27.255280833333334
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 78.0290 | 77.5890 | 145.4000 | 146.4000 |
| A0-J2 | 99.9830 | 98.7630 | 119.2000 | 120.1000 |
| A0-K0 | 96.1810 | 94.7330 | 90.5890 | 91.1040 |
| G1-J2 | 45.7480 | 45.1660 | 70.2000 | 70.4000 |
| G1-K0 | 81.8520 | 81.4310 | 39.3720 | 39.5150 |
| J2-K0 | 48.5830 | 48.5750 | 10.5350 | 10.9860 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26EQ.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60873.22039186 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | CD-27 11501 |
| HIERARCH ESO INS SOBJ NAME | KK_Oph |
| RA | 257.531304 |
| DEC | -27.25539 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 263.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 78.029 |
| HIERARCH ESO ISS PBL12 END | 77.589 |
| HIERARCH ESO ISS PBLA12 START | 145.4 |
| HIERARCH ESO ISS PBLA12 END | 146.4 |
| HIERARCH ESO ISS PBL13 START | 99.983 |
| HIERARCH ESO ISS PBL13 END | 98.763 |
| HIERARCH ESO ISS PBLA13 START | 119.2 |
| HIERARCH ESO ISS PBLA13 END | 120.1 |
| HIERARCH ESO ISS PBL14 START | 96.181 |
| HIERARCH ESO ISS PBL14 END | 94.733 |
| HIERARCH ESO ISS PBLA14 START | 90.589 |
| HIERARCH ESO ISS PBLA14 END | 91.104 |
| HIERARCH ESO ISS PBL23 START | 45.748 |
| HIERARCH ESO ISS PBL23 END | 45.166 |
| HIERARCH ESO ISS PBLA23 START | 70.2 |
| HIERARCH ESO ISS PBLA23 END | 70.4 |
| HIERARCH ESO ISS PBL24 START | 81.852 |
| HIERARCH ESO ISS PBL24 END | 81.431 |
| HIERARCH ESO ISS PBLA24 START | 39.372 |
| HIERARCH ESO ISS PBLA24 END | 39.515 |
| HIERARCH ESO ISS PBL34 START | 48.583 |
| HIERARCH ESO ISS PBL34 END | 48.575 |
| HIERARCH ESO ISS PBLA34 START | 10.535 |
| HIERARCH ESO ISS PBLA34 END | 10.986 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005436 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007607 |
| HIERARCH ESO ISS AMBI TEMP | 13.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | KK_Oph |
| HIERARCH ESO FT ROBJ ALPHA | 171008.110 |
| HIERARCH ESO FT ROBJ DELTA | -271519.011 |