Exposure
- ID
- GRAVI.2021-05-25T08:14:27.208_2
- Header ID
- GRAVI.2021-05-25T08:14:27.208
- Date updated
- 2021-05-25 08:30:55 UTC+0000
- Release date
- 2022-05-25 08:30:55 UTC+0000
- UTC Start
- 2021-05-25 08:14:27.208
- UTC End
- 2021-05-25 08:19:47.208
- MJD Start
- 59359.34337046
- MJD End
- 59359.3470741637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003528
- Ambient temperature (°C)
- 12.36
- Seeing (arcsec)
- 0.82
Observation
- ID
- 47451
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 53.9410 | 53.7140 | 36.4000 | 36.8000 |
| U1-U3 | 96.4890 | 95.9640 | 42.7000 | 43.1000 |
| U1-U4 | 117.1490 | 115.9330 | 72.4530 | 72.9640 |
| U2-U3 | 43.2810 | 42.9800 | 50.6000 | 51.0000 |
| U2-U4 | 80.0690 | 79.1820 | 95.7890 | 96.5550 |
| U3-U4 | 58.2990 | 57.9020 | 127.5620 | 128.5640 |
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 | 59359.34337046 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417087 |
| DEC | -29.00718 |
| 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 | 53.941 |
| HIERARCH ESO ISS PBL12 END | 53.714 |
| HIERARCH ESO ISS PBLA12 START | 36.4 |
| HIERARCH ESO ISS PBLA12 END | 36.8 |
| HIERARCH ESO ISS PBL13 START | 96.489 |
| HIERARCH ESO ISS PBL13 END | 95.964 |
| HIERARCH ESO ISS PBLA13 START | 42.7 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 117.149 |
| HIERARCH ESO ISS PBL14 END | 115.933 |
| HIERARCH ESO ISS PBLA14 START | 72.453 |
| HIERARCH ESO ISS PBLA14 END | 72.964 |
| HIERARCH ESO ISS PBL23 START | 43.281 |
| HIERARCH ESO ISS PBL23 END | 42.98 |
| HIERARCH ESO ISS PBLA23 START | 50.6 |
| HIERARCH ESO ISS PBLA23 END | 51.0 |
| HIERARCH ESO ISS PBL24 START | 80.069 |
| HIERARCH ESO ISS PBL24 END | 79.182 |
| HIERARCH ESO ISS PBLA24 START | 95.789 |
| HIERARCH ESO ISS PBLA24 END | 96.555 |
| HIERARCH ESO ISS PBL34 START | 58.299 |
| HIERARCH ESO ISS PBL34 END | 57.902 |
| HIERARCH ESO ISS PBLA34 START | 127.562 |
| HIERARCH ESO ISS PBLA34 END | 128.564 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003654 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003402 |
| HIERARCH ESO ISS AMBI TEMP | 12.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |