Exposure
- ID
- GRAVI.2024-07-18T01:06:09.167_2
- Header ID
- GRAVI.2024-07-18T01:06:09.167
- Date updated
- 2024-07-18 07:05:34 UTC+0000
- Release date
- 2025-07-18 07:05:34 UTC+0000
- UTC Start
- 2024-07-18 01:06:09.167
- UTC End
- 2024-07-18 01:12:09.167
- MJD Start
- 60509.04593943
- MJD End
- 60509.0501060967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0095815
- Ambient temperature (°C)
- 18.06
- Seeing (arcsec)
- 0.495
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
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.4570 | 56.4770 | 14.2000 | 15.1000 |
| U1-U3 | 101.9110 | 101.9970 | 20.2000 | 21.1000 |
| U1-U4 | 125.7500 | 126.3440 | 47.1060 | 48.1370 |
| U2-U3 | 46.1240 | 46.2000 | 27.4000 | 28.4000 |
| U2-U4 | 84.1110 | 84.7880 | 68.4700 | 69.4310 |
| U3-U4 | 57.9030 | 58.4550 | 100.0300 | 100.7150 |
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 | 60509.04593943 |
| 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 | 56.457 |
| HIERARCH ESO ISS PBL12 END | 56.477 |
| HIERARCH ESO ISS PBLA12 START | 14.2 |
| HIERARCH ESO ISS PBLA12 END | 15.1 |
| HIERARCH ESO ISS PBL13 START | 101.911 |
| HIERARCH ESO ISS PBL13 END | 101.997 |
| HIERARCH ESO ISS PBLA13 START | 20.2 |
| HIERARCH ESO ISS PBLA13 END | 21.1 |
| HIERARCH ESO ISS PBL14 START | 125.75 |
| HIERARCH ESO ISS PBL14 END | 126.344 |
| HIERARCH ESO ISS PBLA14 START | 47.106 |
| HIERARCH ESO ISS PBLA14 END | 48.137 |
| HIERARCH ESO ISS PBL23 START | 46.124 |
| HIERARCH ESO ISS PBL23 END | 46.2 |
| HIERARCH ESO ISS PBLA23 START | 27.4 |
| HIERARCH ESO ISS PBLA23 END | 28.4 |
| HIERARCH ESO ISS PBL24 START | 84.111 |
| HIERARCH ESO ISS PBL24 END | 84.788 |
| HIERARCH ESO ISS PBLA24 START | 68.47 |
| HIERARCH ESO ISS PBLA24 END | 69.431 |
| HIERARCH ESO ISS PBL34 START | 57.903 |
| HIERARCH ESO ISS PBL34 END | 58.455 |
| HIERARCH ESO ISS PBLA34 START | 100.03 |
| HIERARCH ESO ISS PBLA34 END | 100.715 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009445 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009718 |
| HIERARCH ESO ISS AMBI TEMP | 18.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |