Exposure
- ID
- GRAVI.2025-11-12T06:34:09.862_1
- Header ID
- GRAVI.2025-11-12T06:34:09.862
- Date updated
- 2025-11-12 06:50:48 UTC+0000
- Release date
- 2026-11-12 06:50:48 UTC+0000
- UTC Start
- 2025-11-12 06:34:09.862
- UTC End
- 2025-11-12 06:40:09.862
- MJD Start
- 60991.27372525
- MJD End
- 60991.27789191667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004710499999999999
- Ambient temperature (°C)
- 12.95
- Seeing (arcsec)
- 0.475
Observation
- ID
- 71559
- Category
- science
- Program ID
- 116.28QW.001
- Program Title
- CONFIRMATION OF A SATELLITE AND CIRCUM-SUBSTELLAR DISK AROUND DH TAU B WITH GRAVITY-WIDE
- Program Type
- Normal
- PI / COI
- LAZZONI / KAMMERER / PALADINI / KORHONEN / HINKLEY / DESIDERA / GRATTON / KENWORTHY / CHAUVIN / KERVELLA / FAHERTY / LACOUR / BALMER / BHOWMIK / NOGUEIRA / ZURLO / HOY / BOURDAROT
Target
- ID
- 53143
- Name
- DH_Tau_B
- RA
- 67.423297
- DEC
- 26.54962
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.7350 | 45.2880 | 39.9000 | 40.0000 |
| U1-U3 | 85.3910 | 86.3950 | 45.7000 | 45.6000 |
| U1-U4 | 127.0280 | 127.6520 | 66.3110 | 65.7140 |
| U2-U3 | 41.1420 | 41.5690 | 52.1000 | 51.8000 |
| U2-U4 | 89.2280 | 89.0520 | 79.2170 | 78.4730 |
| U3-U4 | 55.8610 | 55.1480 | 98.8470 | 98.2350 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28QW.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60991.27372525 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | DH Tau B |
| HIERARCH ESO INS SOBJ NAME | DH_Tau_B |
| RA | 67.423297 |
| DEC | 26.54962 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 388.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 44.735 |
| HIERARCH ESO ISS PBL12 END | 45.288 |
| HIERARCH ESO ISS PBLA12 START | 39.9 |
| HIERARCH ESO ISS PBLA12 END | 40.0 |
| HIERARCH ESO ISS PBL13 START | 85.391 |
| HIERARCH ESO ISS PBL13 END | 86.395 |
| HIERARCH ESO ISS PBLA13 START | 45.7 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 127.028 |
| HIERARCH ESO ISS PBL14 END | 127.652 |
| HIERARCH ESO ISS PBLA14 START | 66.311 |
| HIERARCH ESO ISS PBLA14 END | 65.714 |
| HIERARCH ESO ISS PBL23 START | 41.142 |
| HIERARCH ESO ISS PBL23 END | 41.569 |
| HIERARCH ESO ISS PBLA23 START | 52.1 |
| HIERARCH ESO ISS PBLA23 END | 51.8 |
| HIERARCH ESO ISS PBL24 START | 89.228 |
| HIERARCH ESO ISS PBL24 END | 89.052 |
| HIERARCH ESO ISS PBLA24 START | 79.217 |
| HIERARCH ESO ISS PBLA24 END | 78.473 |
| HIERARCH ESO ISS PBL34 START | 55.861 |
| HIERARCH ESO ISS PBL34 END | 55.148 |
| HIERARCH ESO ISS PBLA34 START | 98.847 |
| HIERARCH ESO ISS PBLA34 END | 98.235 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004849 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004572 |
| HIERARCH ESO ISS AMBI TEMP | 12.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | DH_Tau_B |
| HIERARCH ESO FT ROBJ ALPHA | 042941.553 |
| HIERARCH ESO FT ROBJ DELTA | 263258.127 |