Exposure
- ID
- GRAVI.2023-06-02T05:06:22.994_2
- Header ID
- GRAVI.2023-06-02T05:06:22.994
- Date updated
- 2023-06-02 05:21:53 UTC+0000
- Release date
- 2024-06-02 05:21:53 UTC+0000
- UTC Start
- 2023-06-02 05:06:22.994
- UTC End
- 2023-06-02 05:12:22.994
- MJD Start
- 60097.21276614
- MJD End
- 60097.2169328067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00866
- Ambient temperature (°C)
- 16.12
- Seeing (arcsec)
- 0.51
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 | 56.5590 | 56.5530 | 21.4000 | 22.2000 |
| U1-U3 | 102.4250 | 102.4340 | 27.7000 | 28.5000 |
| U1-U4 | 129.6360 | 129.8590 | 55.3940 | 56.2510 |
| U2-U3 | 46.6100 | 46.6300 | 35.3000 | 36.1000 |
| U2-U4 | 88.5430 | 88.8210 | 76.2930 | 77.1260 |
| U3-U4 | 61.5220 | 61.7630 | 106.1110 | 106.8350 |
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 | 60097.21276614 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416762 |
| DEC | -29.00722 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 21.4 |
| HIERARCH ESO ISS PBLA12 END | 22.2 |
| HIERARCH ESO ISS PBL13 START | 102.425 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.7 |
| HIERARCH ESO ISS PBLA13 END | 28.5 |
| HIERARCH ESO ISS PBL14 START | 129.636 |
| HIERARCH ESO ISS PBL14 END | 129.859 |
| HIERARCH ESO ISS PBLA14 START | 55.394 |
| HIERARCH ESO ISS PBLA14 END | 56.251 |
| HIERARCH ESO ISS PBL23 START | 46.61 |
| HIERARCH ESO ISS PBL23 END | 46.63 |
| HIERARCH ESO ISS PBLA23 START | 35.3 |
| HIERARCH ESO ISS PBLA23 END | 36.1 |
| HIERARCH ESO ISS PBL24 START | 88.543 |
| HIERARCH ESO ISS PBL24 END | 88.821 |
| HIERARCH ESO ISS PBLA24 START | 76.293 |
| HIERARCH ESO ISS PBLA24 END | 77.126 |
| HIERARCH ESO ISS PBL34 START | 61.522 |
| HIERARCH ESO ISS PBL34 END | 61.763 |
| HIERARCH ESO ISS PBLA34 START | 106.111 |
| HIERARCH ESO ISS PBLA34 END | 106.835 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008506 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008814 |
| HIERARCH ESO ISS AMBI TEMP | 16.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |