Exposure
- ID
- GRAVI.2024-07-18T01:27:45.222_2
- Header ID
- GRAVI.2024-07-18T01:27:45.222
- Date updated
- 2024-07-18 07:40:28 UTC+0000
- Release date
- 2025-07-18 07:40:28 UTC+0000
- UTC Start
- 2024-07-18 01:27:45.222
- UTC End
- 2024-07-18 01:33:45.222
- MJD Start
- 60509.06094007
- MJD End
- 60509.06510673666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083925
- Ambient temperature (°C)
- 17.8
- Seeing (arcsec)
- 0.64
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 56.5190 | 56.5330 | 17.1000 | 17.9000 |
| U1-U3 | 102.1790 | 102.2460 | 23.2000 | 24.0000 |
| U1-U4 | 127.6070 | 128.0800 | 50.4710 | 51.4280 |
| U2-U3 | 46.3640 | 46.4250 | 30.6000 | 31.5000 |
| U2-U4 | 86.2150 | 86.7490 | 71.6140 | 72.5130 |
| U3-U4 | 59.6120 | 60.0450 | 102.3300 | 103.0210 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.06094007 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.519 |
| HIERARCH ESO ISS PBL12 END | 56.533 |
| HIERARCH ESO ISS PBLA12 START | 17.1 |
| HIERARCH ESO ISS PBLA12 END | 17.9 |
| HIERARCH ESO ISS PBL13 START | 102.179 |
| HIERARCH ESO ISS PBL13 END | 102.246 |
| HIERARCH ESO ISS PBLA13 START | 23.2 |
| HIERARCH ESO ISS PBLA13 END | 24.0 |
| HIERARCH ESO ISS PBL14 START | 127.607 |
| HIERARCH ESO ISS PBL14 END | 128.08 |
| HIERARCH ESO ISS PBLA14 START | 50.471 |
| HIERARCH ESO ISS PBLA14 END | 51.428 |
| HIERARCH ESO ISS PBL23 START | 46.364 |
| HIERARCH ESO ISS PBL23 END | 46.425 |
| HIERARCH ESO ISS PBLA23 START | 30.6 |
| HIERARCH ESO ISS PBLA23 END | 31.5 |
| HIERARCH ESO ISS PBL24 START | 86.215 |
| HIERARCH ESO ISS PBL24 END | 86.749 |
| HIERARCH ESO ISS PBLA24 START | 71.614 |
| HIERARCH ESO ISS PBLA24 END | 72.513 |
| HIERARCH ESO ISS PBL34 START | 59.612 |
| HIERARCH ESO ISS PBL34 END | 60.045 |
| HIERARCH ESO ISS PBLA34 START | 102.33 |
| HIERARCH ESO ISS PBLA34 END | 103.021 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010273 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006512 |
| HIERARCH ESO ISS AMBI TEMP | 17.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |