Exposure
- ID
- GRAVI.2021-06-25T06:10:12.698_2
- Header ID
- GRAVI.2021-06-25T06:10:12.698
- Date updated
- 2021-06-25 06:25:14 UTC+0000
- Release date
- 2022-06-25 06:25:14 UTC+0000
- UTC Start
- 2021-06-25 06:10:12.698
- UTC End
- 2021-06-25 06:15:32.698
- MJD Start
- 59390.25709141
- MJD End
- 59390.2607951137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006201
- Ambient temperature (°C)
- 10.23
- Seeing (arcsec)
- 0.54
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 | 54.0320 | 53.8100 | 36.3000 | 36.7000 |
| U1-U3 | 96.6970 | 96.1840 | 42.6000 | 43.0000 |
| U1-U4 | 117.6320 | 116.4420 | 72.2430 | 72.7540 |
| U2-U3 | 43.4010 | 43.1060 | 50.5000 | 50.8000 |
| U2-U4 | 80.4230 | 79.5530 | 95.4780 | 96.2370 |
| U3-U4 | 58.4580 | 58.0670 | 127.1570 | 128.1480 |
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 | 59390.25709141 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 54.032 |
| HIERARCH ESO ISS PBL12 END | 53.81 |
| HIERARCH ESO ISS PBLA12 START | 36.3 |
| HIERARCH ESO ISS PBLA12 END | 36.7 |
| HIERARCH ESO ISS PBL13 START | 96.697 |
| HIERARCH ESO ISS PBL13 END | 96.184 |
| HIERARCH ESO ISS PBLA13 START | 42.6 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 117.632 |
| HIERARCH ESO ISS PBL14 END | 116.442 |
| HIERARCH ESO ISS PBLA14 START | 72.243 |
| HIERARCH ESO ISS PBLA14 END | 72.754 |
| HIERARCH ESO ISS PBL23 START | 43.401 |
| HIERARCH ESO ISS PBL23 END | 43.106 |
| HIERARCH ESO ISS PBLA23 START | 50.5 |
| HIERARCH ESO ISS PBLA23 END | 50.8 |
| HIERARCH ESO ISS PBL24 START | 80.423 |
| HIERARCH ESO ISS PBL24 END | 79.553 |
| HIERARCH ESO ISS PBLA24 START | 95.478 |
| HIERARCH ESO ISS PBLA24 END | 96.237 |
| HIERARCH ESO ISS PBL34 START | 58.458 |
| HIERARCH ESO ISS PBL34 END | 58.067 |
| HIERARCH ESO ISS PBLA34 START | 127.157 |
| HIERARCH ESO ISS PBLA34 END | 128.148 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007216 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005186 |
| HIERARCH ESO ISS AMBI TEMP | 10.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |