Exposure
- ID
- GRAVI.2025-05-13T00:13:20.195_2
- Header ID
- GRAVI.2025-05-13T00:13:20.195
- Date updated
- 2025-05-13 06:41:45 UTC+0000
- Release date
- 2026-05-13 06:41:44 UTC+0000
- UTC Start
- 2025-05-13 00:13:20.195
- UTC End
- 2025-05-13 00:18:40.195
- MJD Start
- 60808.00926152
- MJD End
- 60808.0129652237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068305
- Ambient temperature (°C)
- 17.87
- Seeing (arcsec)
- 0.735
Observation
- ID
- 67282
- Category
- science
- Program ID
- 115.29EJ.001
- Program Title
- FOLLOW-UP OF A BROWN DWARF CANDIDATE IN THE DISK GAP AROUND HD 100546
- Program Type
- ToO
- PI / COI
- BLAKELY / STOLKER / KAMMERER / BENISTY / BERGER / THOMPSON / JOHNSTONE
Target
- ID
- 50023
- Name
- HD_100546
- RA
- 173.356
- DEC
- -70.19478916666667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.3750 | 44.2360 | 28.1000 | 29.1000 |
| U1-U3 | 83.7460 | 83.4610 | 34.9000 | 36.0000 |
| U1-U4 | 123.9990 | 123.7100 | 59.7210 | 60.9740 |
| U2-U3 | 40.0420 | 39.9050 | 42.6000 | 43.7000 |
| U2-U4 | 89.3070 | 89.2670 | 74.8280 | 76.1500 |
| U3-U4 | 59.4310 | 59.5870 | 95.9130 | 97.2250 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.29EJ.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.00926152 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362024 |
| DEC | -70.19489 |
| 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 | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 44.375 |
| HIERARCH ESO ISS PBL12 END | 44.236 |
| HIERARCH ESO ISS PBLA12 START | 28.1 |
| HIERARCH ESO ISS PBLA12 END | 29.1 |
| HIERARCH ESO ISS PBL13 START | 83.746 |
| HIERARCH ESO ISS PBL13 END | 83.461 |
| HIERARCH ESO ISS PBLA13 START | 34.9 |
| HIERARCH ESO ISS PBLA13 END | 36.0 |
| HIERARCH ESO ISS PBL14 START | 123.999 |
| HIERARCH ESO ISS PBL14 END | 123.71 |
| HIERARCH ESO ISS PBLA14 START | 59.721 |
| HIERARCH ESO ISS PBLA14 END | 60.974 |
| HIERARCH ESO ISS PBL23 START | 40.042 |
| HIERARCH ESO ISS PBL23 END | 39.905 |
| HIERARCH ESO ISS PBLA23 START | 42.6 |
| HIERARCH ESO ISS PBLA23 END | 43.7 |
| HIERARCH ESO ISS PBL24 START | 89.307 |
| HIERARCH ESO ISS PBL24 END | 89.267 |
| HIERARCH ESO ISS PBLA24 START | 74.828 |
| HIERARCH ESO ISS PBLA24 END | 76.15 |
| HIERARCH ESO ISS PBL34 START | 59.431 |
| HIERARCH ESO ISS PBL34 END | 59.587 |
| HIERARCH ESO ISS PBLA34 START | 95.913 |
| HIERARCH ESO ISS PBLA34 END | 97.225 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007229 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006432 |
| HIERARCH ESO ISS AMBI TEMP | 17.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |