Exposure
- ID
- GRAVI.2023-06-04T07:04:36.143_2
- Header ID
- GRAVI.2023-06-04T07:04:36.143
- Date updated
- 2023-06-04 07:20:30 UTC+0000
- Release date
- 2024-06-04 07:20:30 UTC+0000
- UTC Start
- 2023-06-04 07:04:36.143
- UTC End
- 2023-06-04 07:10:36.143
- MJD Start
- 60099.29486277
- MJD End
- 60099.2990294367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0103845
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 0.475
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 | 55.0230 | 54.8350 | 34.1000 | 34.6000 |
| U1-U3 | 98.9970 | 98.5600 | 40.4000 | 40.9000 |
| U1-U4 | 123.0070 | 121.9830 | 69.4610 | 70.0700 |
| U2-U3 | 44.7280 | 44.4760 | 48.3000 | 48.8000 |
| U2-U4 | 84.3840 | 83.6260 | 91.6370 | 92.4410 |
| U3-U4 | 60.2820 | 59.9280 | 122.2680 | 123.2710 |
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 | 60099.29486277 |
| 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 | 55.023 |
| HIERARCH ESO ISS PBL12 END | 54.835 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 98.997 |
| HIERARCH ESO ISS PBL13 END | 98.56 |
| HIERARCH ESO ISS PBLA13 START | 40.4 |
| HIERARCH ESO ISS PBLA13 END | 40.9 |
| HIERARCH ESO ISS PBL14 START | 123.007 |
| HIERARCH ESO ISS PBL14 END | 121.983 |
| HIERARCH ESO ISS PBLA14 START | 69.461 |
| HIERARCH ESO ISS PBLA14 END | 70.07 |
| HIERARCH ESO ISS PBL23 START | 44.728 |
| HIERARCH ESO ISS PBL23 END | 44.476 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 84.384 |
| HIERARCH ESO ISS PBL24 END | 83.626 |
| HIERARCH ESO ISS PBLA24 START | 91.637 |
| HIERARCH ESO ISS PBLA24 END | 92.441 |
| HIERARCH ESO ISS PBL34 START | 60.282 |
| HIERARCH ESO ISS PBL34 END | 59.928 |
| HIERARCH ESO ISS PBLA34 START | 122.268 |
| HIERARCH ESO ISS PBLA34 END | 123.271 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009373 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011396 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |