Exposure
- ID
- GRAVI.2021-06-26T04:44:14.151_2
- Header ID
- GRAVI.2021-06-26T04:44:14.151
- Date updated
- 2021-06-26 05:00:14 UTC+0000
- Release date
- 2022-06-26 05:00:14 UTC+0000
- UTC Start
- 2021-06-26 04:44:14.151
- UTC End
- 2021-06-26 04:49:34.151
- MJD Start
- 59391.19738601
- MJD End
- 59391.2010897137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003283
- Ambient temperature (°C)
- 8.43
- Seeing (arcsec)
- 0.555
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 | 56.0910 | 56.0080 | 29.5000 | 30.1000 |
| U1-U3 | 101.4750 | 101.2850 | 35.9000 | 36.5000 |
| U1-U4 | 128.7120 | 128.2970 | 64.2430 | 64.8530 |
| U2-U3 | 46.1540 | 46.0470 | 43.7000 | 44.2000 |
| U2-U4 | 88.5620 | 88.2690 | 85.3810 | 86.0650 |
| U3-U4 | 62.2110 | 62.0850 | 114.9570 | 115.7100 |
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 | 59391.19738601 |
| 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 | 56.091 |
| HIERARCH ESO ISS PBL12 END | 56.008 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 30.1 |
| HIERARCH ESO ISS PBL13 START | 101.475 |
| HIERARCH ESO ISS PBL13 END | 101.285 |
| HIERARCH ESO ISS PBLA13 START | 35.9 |
| HIERARCH ESO ISS PBLA13 END | 36.5 |
| HIERARCH ESO ISS PBL14 START | 128.712 |
| HIERARCH ESO ISS PBL14 END | 128.297 |
| HIERARCH ESO ISS PBLA14 START | 64.243 |
| HIERARCH ESO ISS PBLA14 END | 64.853 |
| HIERARCH ESO ISS PBL23 START | 46.154 |
| HIERARCH ESO ISS PBL23 END | 46.047 |
| HIERARCH ESO ISS PBLA23 START | 43.7 |
| HIERARCH ESO ISS PBLA23 END | 44.2 |
| HIERARCH ESO ISS PBL24 START | 88.562 |
| HIERARCH ESO ISS PBL24 END | 88.269 |
| HIERARCH ESO ISS PBLA24 START | 85.381 |
| HIERARCH ESO ISS PBLA24 END | 86.065 |
| HIERARCH ESO ISS PBL34 START | 62.211 |
| HIERARCH ESO ISS PBL34 END | 62.085 |
| HIERARCH ESO ISS PBLA34 START | 114.957 |
| HIERARCH ESO ISS PBLA34 END | 115.71 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004032 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002534 |
| HIERARCH ESO ISS AMBI TEMP | 8.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |