Exposure
- ID
- GRAVI.2021-06-25T01:45:09.030_2
- Header ID
- GRAVI.2021-06-25T01:45:09.030
- Date updated
- 2021-06-25 02:00:15 UTC+0000
- Release date
- 2022-06-25 02:00:15 UTC+0000
- UTC Start
- 2021-06-25 01:45:09.030
- UTC End
- 2021-06-25 01:50:29.030
- MJD Start
- 59390.07302118
- MJD End
- 59390.0767248837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005449
- Ambient temperature (°C)
- 10.51
- Seeing (arcsec)
- 0.585
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.2920 | 56.3080 | 7.0000 | 7.8000 |
| U1-U3 | 101.1710 | 101.2470 | 12.3000 | 13.2000 |
| U1-U4 | 120.0410 | 120.7160 | 37.8150 | 38.9190 |
| U2-U3 | 45.4320 | 45.5080 | 19.0000 | 20.0000 |
| U2-U4 | 77.3080 | 78.1500 | 59.7440 | 60.7950 |
| U3-U4 | 52.1430 | 52.8820 | 94.4090 | 95.0400 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.07302118 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.292 |
| HIERARCH ESO ISS PBL12 END | 56.308 |
| HIERARCH ESO ISS PBLA12 START | 7.0 |
| HIERARCH ESO ISS PBLA12 END | 7.8 |
| HIERARCH ESO ISS PBL13 START | 101.171 |
| HIERARCH ESO ISS PBL13 END | 101.247 |
| HIERARCH ESO ISS PBLA13 START | 12.3 |
| HIERARCH ESO ISS PBLA13 END | 13.2 |
| HIERARCH ESO ISS PBL14 START | 120.041 |
| HIERARCH ESO ISS PBL14 END | 120.716 |
| HIERARCH ESO ISS PBLA14 START | 37.815 |
| HIERARCH ESO ISS PBLA14 END | 38.919 |
| HIERARCH ESO ISS PBL23 START | 45.432 |
| HIERARCH ESO ISS PBL23 END | 45.508 |
| HIERARCH ESO ISS PBLA23 START | 19.0 |
| HIERARCH ESO ISS PBLA23 END | 20.0 |
| HIERARCH ESO ISS PBL24 START | 77.308 |
| HIERARCH ESO ISS PBL24 END | 78.15 |
| HIERARCH ESO ISS PBLA24 START | 59.744 |
| HIERARCH ESO ISS PBLA24 END | 60.795 |
| HIERARCH ESO ISS PBL34 START | 52.143 |
| HIERARCH ESO ISS PBL34 END | 52.882 |
| HIERARCH ESO ISS PBLA34 START | 94.409 |
| HIERARCH ESO ISS PBLA34 END | 95.04 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0057 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005198 |
| HIERARCH ESO ISS AMBI TEMP | 10.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |