Exposure
- ID
- GRAVI.2023-06-04T05:57:29.959_2
- Header ID
- GRAVI.2023-06-04T05:57:29.959
- Date updated
- 2023-06-04 06:10:51 UTC+0000
- Release date
- 2024-06-04 06:10:50 UTC+0000
- UTC Start
- 2023-06-04 05:57:29.959
- UTC End
- 2023-06-04 06:03:29.959
- MJD Start
- 60099.24826342
- MJD End
- 60099.2524300867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0098045
- Ambient temperature (°C)
- 13.87
- Seeing (arcsec)
- 0.46
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 | 56.2730 | 56.2020 | 28.0000 | 28.7000 |
| U1-U3 | 101.8870 | 101.7270 | 34.4000 | 35.1000 |
| U1-U4 | 129.5640 | 129.2460 | 62.5850 | 63.3020 |
| U2-U3 | 46.3850 | 46.2960 | 42.1000 | 42.8000 |
| U2-U4 | 89.1340 | 88.9270 | 83.5700 | 84.3450 |
| U3-U4 | 62.4260 | 62.3560 | 113.0220 | 113.8390 |
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 | 60099.24826342 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 56.273 |
| HIERARCH ESO ISS PBL12 END | 56.202 |
| HIERARCH ESO ISS PBLA12 START | 28.0 |
| HIERARCH ESO ISS PBLA12 END | 28.7 |
| HIERARCH ESO ISS PBL13 START | 101.887 |
| HIERARCH ESO ISS PBL13 END | 101.727 |
| HIERARCH ESO ISS PBLA13 START | 34.4 |
| HIERARCH ESO ISS PBLA13 END | 35.1 |
| HIERARCH ESO ISS PBL14 START | 129.564 |
| HIERARCH ESO ISS PBL14 END | 129.246 |
| HIERARCH ESO ISS PBLA14 START | 62.585 |
| HIERARCH ESO ISS PBLA14 END | 63.302 |
| HIERARCH ESO ISS PBL23 START | 46.385 |
| HIERARCH ESO ISS PBL23 END | 46.296 |
| HIERARCH ESO ISS PBLA23 START | 42.1 |
| HIERARCH ESO ISS PBLA23 END | 42.8 |
| HIERARCH ESO ISS PBL24 START | 89.134 |
| HIERARCH ESO ISS PBL24 END | 88.927 |
| HIERARCH ESO ISS PBLA24 START | 83.57 |
| HIERARCH ESO ISS PBLA24 END | 84.345 |
| HIERARCH ESO ISS PBL34 START | 62.426 |
| HIERARCH ESO ISS PBL34 END | 62.356 |
| HIERARCH ESO ISS PBLA34 START | 113.022 |
| HIERARCH ESO ISS PBLA34 END | 113.839 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007761 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011848 |
| HIERARCH ESO ISS AMBI TEMP | 13.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| 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 |