Exposure
- ID
- GRAVI.2021-06-26T02:28:01.808_2
- Header ID
- GRAVI.2021-06-26T02:28:01.808
- Date updated
- 2021-06-26 02:45:36 UTC+0000
- Release date
- 2022-06-26 02:45:36 UTC+0000
- UTC Start
- 2021-06-26 02:28:01.808
- UTC End
- 2021-06-26 02:33:21.808
- MJD Start
- 59391.1027987
- MJD End
- 59391.1065024037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003102
- Ambient temperature (°C)
- 9.26
- Seeing (arcsec)
- 0.465
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 | 56.4390 | 56.4570 | 13.5000 | 14.3000 |
| U1-U3 | 101.8350 | 101.9140 | 19.4000 | 20.2000 |
| U1-U4 | 125.2150 | 125.7690 | 46.2030 | 47.1390 |
| U2-U3 | 46.0550 | 46.1260 | 26.6000 | 27.4000 |
| U2-U4 | 83.5000 | 84.1340 | 67.6300 | 68.5010 |
| U3-U4 | 57.4020 | 57.9220 | 99.4440 | 100.0520 |
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 | 59391.1027987 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.439 |
| HIERARCH ESO ISS PBL12 END | 56.457 |
| HIERARCH ESO ISS PBLA12 START | 13.5 |
| HIERARCH ESO ISS PBLA12 END | 14.3 |
| HIERARCH ESO ISS PBL13 START | 101.835 |
| HIERARCH ESO ISS PBL13 END | 101.914 |
| HIERARCH ESO ISS PBLA13 START | 19.4 |
| HIERARCH ESO ISS PBLA13 END | 20.2 |
| HIERARCH ESO ISS PBL14 START | 125.215 |
| HIERARCH ESO ISS PBL14 END | 125.769 |
| HIERARCH ESO ISS PBLA14 START | 46.203 |
| HIERARCH ESO ISS PBLA14 END | 47.139 |
| HIERARCH ESO ISS PBL23 START | 46.055 |
| HIERARCH ESO ISS PBL23 END | 46.126 |
| HIERARCH ESO ISS PBLA23 START | 26.6 |
| HIERARCH ESO ISS PBLA23 END | 27.4 |
| HIERARCH ESO ISS PBL24 START | 83.5 |
| HIERARCH ESO ISS PBL24 END | 84.134 |
| HIERARCH ESO ISS PBLA24 START | 67.63 |
| HIERARCH ESO ISS PBLA24 END | 68.501 |
| HIERARCH ESO ISS PBL34 START | 57.402 |
| HIERARCH ESO ISS PBL34 END | 57.922 |
| HIERARCH ESO ISS PBLA34 START | 99.444 |
| HIERARCH ESO ISS PBLA34 END | 100.052 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003294 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00291 |
| HIERARCH ESO ISS AMBI TEMP | 9.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |