Exposure
- ID
- GRAVI.2023-06-03T08:05:12.927_2
- Header ID
- GRAVI.2023-06-03T08:05:12.927
- Date updated
- 2023-06-03 08:20:42 UTC+0000
- Release date
- 2024-06-03 08:20:42 UTC+0000
- UTC Start
- 2023-06-03 08:05:12.927
- UTC End
- 2023-06-03 08:11:12.927
- MJD Start
- 60098.33695517
- MJD End
- 60098.3411218367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003418
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 0.42
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 52.9070 | 52.5940 | 37.9000 | 38.3000 |
| U1-U3 | 94.1070 | 93.3900 | 44.2000 | 44.5000 |
| U1-U4 | 111.6580 | 110.0180 | 74.5810 | 75.1410 |
| U2-U3 | 41.9140 | 41.5040 | 52.1000 | 52.4000 |
| U2-U4 | 76.0890 | 74.9140 | 99.1110 | 100.0520 |
| U3-U4 | 56.5580 | 56.0630 | 131.9460 | 133.1990 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60098.33695517 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| DEC | -29.00721 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 52.907 |
| HIERARCH ESO ISS PBL12 END | 52.594 |
| HIERARCH ESO ISS PBLA12 START | 37.9 |
| HIERARCH ESO ISS PBLA12 END | 38.3 |
| HIERARCH ESO ISS PBL13 START | 94.107 |
| HIERARCH ESO ISS PBL13 END | 93.39 |
| HIERARCH ESO ISS PBLA13 START | 44.2 |
| HIERARCH ESO ISS PBLA13 END | 44.5 |
| HIERARCH ESO ISS PBL14 START | 111.658 |
| HIERARCH ESO ISS PBL14 END | 110.018 |
| HIERARCH ESO ISS PBLA14 START | 74.581 |
| HIERARCH ESO ISS PBLA14 END | 75.141 |
| HIERARCH ESO ISS PBL23 START | 41.914 |
| HIERARCH ESO ISS PBL23 END | 41.504 |
| HIERARCH ESO ISS PBLA23 START | 52.1 |
| HIERARCH ESO ISS PBLA23 END | 52.4 |
| HIERARCH ESO ISS PBL24 START | 76.089 |
| HIERARCH ESO ISS PBL24 END | 74.914 |
| HIERARCH ESO ISS PBLA24 START | 99.111 |
| HIERARCH ESO ISS PBLA24 END | 100.052 |
| HIERARCH ESO ISS PBL34 START | 56.558 |
| HIERARCH ESO ISS PBL34 END | 56.063 |
| HIERARCH ESO ISS PBLA34 START | 131.946 |
| HIERARCH ESO ISS PBLA34 END | 133.199 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004027 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002809 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |