Exposure
- ID
- GRAVI.2021-05-30T04:24:50.168_2
- Header ID
- GRAVI.2021-05-30T04:24:50.168
- Date updated
- 2021-05-30 04:35:25 UTC+0000
- Release date
- 2022-05-30 04:35:25 UTC+0000
- UTC Start
- 2021-05-30 04:24:50.168
- UTC End
- 2021-05-30 04:30:10.168
- MJD Start
- 59364.18391398
- MJD End
- 59364.1876176837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004483
- Ambient temperature (°C)
- 9.9
- Seeing (arcsec)
- 0.74
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- 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 | 56.4730 | 56.4900 | 14.9000 | 15.7000 |
| U1-U3 | 101.9800 | 102.0530 | 20.9000 | 21.7000 |
| U1-U4 | 126.2280 | 126.7320 | 47.9340 | 48.8300 |
| U2-U3 | 46.1850 | 46.2500 | 28.2000 | 29.0000 |
| U2-U4 | 84.6560 | 85.2270 | 69.2430 | 70.0790 |
| U3-U4 | 58.3480 | 58.8120 | 100.5800 | 101.1860 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59364.18391398 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41672 |
| DEC | -29.00717 |
| 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 | 56.473 |
| HIERARCH ESO ISS PBL12 END | 56.49 |
| HIERARCH ESO ISS PBLA12 START | 14.9 |
| HIERARCH ESO ISS PBLA12 END | 15.7 |
| HIERARCH ESO ISS PBL13 START | 101.98 |
| HIERARCH ESO ISS PBL13 END | 102.053 |
| HIERARCH ESO ISS PBLA13 START | 20.9 |
| HIERARCH ESO ISS PBLA13 END | 21.7 |
| HIERARCH ESO ISS PBL14 START | 126.228 |
| HIERARCH ESO ISS PBL14 END | 126.732 |
| HIERARCH ESO ISS PBLA14 START | 47.934 |
| HIERARCH ESO ISS PBLA14 END | 48.83 |
| HIERARCH ESO ISS PBL23 START | 46.185 |
| HIERARCH ESO ISS PBL23 END | 46.25 |
| HIERARCH ESO ISS PBLA23 START | 28.2 |
| HIERARCH ESO ISS PBLA23 END | 29.0 |
| HIERARCH ESO ISS PBL24 START | 84.656 |
| HIERARCH ESO ISS PBL24 END | 85.227 |
| HIERARCH ESO ISS PBLA24 START | 69.243 |
| HIERARCH ESO ISS PBLA24 END | 70.079 |
| HIERARCH ESO ISS PBL34 START | 58.348 |
| HIERARCH ESO ISS PBL34 END | 58.812 |
| HIERARCH ESO ISS PBLA34 START | 100.58 |
| HIERARCH ESO ISS PBLA34 END | 101.186 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004692 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004274 |
| HIERARCH ESO ISS AMBI TEMP | 9.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |